Multiplying by which conversion factor would allow you to convert 35 liters to milliliters?

Answer: In order to write the formula of a binary molecular compound, use the prefixes to determine the subscript of each element. Write the symbols for the elements with the subscripts. Ionic and molecular compounds differ in composition—ions form ionic compounds, and molecules form molecular compounds.

In order to find a whole-number ratio, divide the moles of each element by whichever of the moles from step 2 is the smallest. If all the moles at this point are whole numbers (or very close), the empirical formula can be written with the moles as the subscript of each element.

0.1535g is the mass of the air contained in the flask.

A substance's density is defined as its mass per unit of volume. Density is most frequently represented by the symbol, however Latin letter D may also be used. Mass divided by volume is the formula for density in mathematics: ρ = M/V. where m is the mass, V is the volume, and ρ is the density.

The given are:

1.      Mass = ?

2.     Density = 1.228 g/L

3.      Volume = 125mL to L

Plugging in the values we get,

ρ = M/V

1.228 = M/ 0.125

M = 0.1535g

Therefore, 0.1535g is the mass of the air contained in the flask.

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The statement of Dr. Watson has no empirical basis. It was a personal opinion hence he ought to be stripped of his honors over views regarding race.

Dr.  James Watson was involved in the discovery of DNA. He was an expert and lead researcher at the New York laboratory. The Nobel price as awarded to him in conjunction with two other scientist in 1962 for the discovery of the molecular structure of DNA.

Dr. Watson expressed his views once when he said that Racial equality is not an empirical fact and did not corroborate such with an empirical back up. He merely asked those that don't believe to ask those who deal with black employees.

Because of this, his position at the New York Laboratory was revoked as well as a revocation of his honorary titles. This action of stripping him of is honorary titles is correct because of the possibility of his statement to engender bios and discrimination against people of minority races.

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Answer:

B

Explanation:

It is really easy to be honest

Pilot was NOT a position for a member of the Women's Army Corps (WAC). Option A is correct.

During World War II, the Women's Army Corps was the women's branch of United States Army. Women served in various roles within the WAC, but being a pilot was not one of the positions available to them.

Women were not assigned to pilot positions in the WAC. The United States Army Air Forces (USAAF) had its own separate organization, the Women Airforce Service Pilots (WASP), which recruited civilian women pilots to serve in non-combat roles, ferrying aircraft and performing other flight-related duties. The WASP was not part of the WAC.

Infantry: The role of infantry, which involves direct ground combat, was restricted to male soldiers during World War II. Women in the WAC were not assigned to infantry positions. Instead, they served in a wide range of support roles, such as clerical work, administration, logistics, communication, medical services, and more.

Radio Operator: Women in the WAC did serve as radio operators. Radio communication was a vital component of military operations, and women played important roles in operating and maintaining communication systems. They received training in radio operations and were assigned to various units where their skills were utilized.

Hence, A. is the correct option.

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Answer:

The faster the particles are moving, the more thermal energy they have.

Explanation:

Give me Brainliest if that helped! :)

Answer:

60c

Explanation:

80c-20c=60c i think I don't know

Answer:

2x – 3y = 11 …………….. (i)

x – 2y = – 12 …………….. (ii)

(ii) ⇒ x = 2y – 12 ……. (iii)

Substitute value of x from (iii) in (i), we get

2(2y – 12) + 3y = 11

⇒ 4y – 24 + 3y = 11

⇒ 7y = 35

⇒ y = 5

Substituting value of y = 5 in equation (iii), we get

4 = 2(5) – 12 = 10 – 12 = – 2

Hence, x = – 2, y = 5 is the required solution

Now, 5 = – 2m + 3

⇒ 2m = 3 – 5

⇒ 2m = – 2

⇒ m = – 1.

(3)

This finding and the lack of syrinx in non-avian dinosaur fossils of the same age suggest that this organ may have developed later in the evolution of birds and that other dinosaurs may not have been able to produce sounds akin to those of modern birds.

(4)

Without sound, we couldn't hear, which would prevent us from speaking. Animals obviously cannot speak human language, but they are nevertheless capable of efficient communication. They can communicate across great distances by groaning, sobbing, shrieking, etc., and deliver vital messages that might be essential to their survival and well-being.

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Answer: There are two significant figures because any zeros in front of non-zero numbers are not sig figs meaning that only the one and three count.

1) Due to the fact that we are initially uncertain of the distribution of the parent population from which our sample was collected.

2) The second question is incomplete, thus I am unable to answer it.

Therefore, it is advisable to only use one sample when doing non-parametric tests like the sign test or Wilcoxon sign test (depending upon the choice of the researcher).

A physical constant, also known as a basic physical constant or universal constant, is a physical number that is often believed to be both universal in nature and to have a constant value across time. In contrast, it is described by a mathematical constant, which has a constant value but doesn't immediately call for any physical measurement.

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Using dimensional analysis, the correct conversion is:

40 mL * 1 gram/100 gallons * 75 gallons

Volume of medication required to treat a 75gallon aquarium is 30 mL.

Dimensional analysis is the process by which different physical quantities are compared and expressed in terms of the dimensions of the fundamental quantities and units of measurement.

In dimensional analysis, calculations performed track the dimensions of the quantities by means of a conversion factor.

Considering the give calculation:

A medication (powder) that is 1 gram / 100gallons of water is to be used to treat a 75gallon aquarium.

1 gram of the medication is added to a bottle of 40mL of water, shaken and then drawn up with a syringe that is in mL.

Therefore, 40 mL of the solution contains 1 g of the medication.

The correct dimensional analysis for volume of medication required is given below:

40 mL * 1 gram/100 gallons * 75 gallons = 30 mL

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The westernmost portion of the subtropical belt is home to the Himalayan subtropical pine forests, which are dominated by the Chir pine (Pinus roxburghii).

Although the Himalayan region, which includes Bhutan, Nepal, northern India, Pakistan, and the Tibet Autonomous Region, is known for its mountainous topography, it also exhibits a remarkable amount of ecological diversity.

The mountains' altitude, slope, and aspect, their intricate glaciology and hydrology, as well as the climate and microclimates that the range itself shapes, all contribute to this diversity. It is visible in grasslands, temperate, tropical, and subtropical forests, as well as glacial lake and river systems, high altitude deserts, and montane regions. The region's diversity of people matches that of its ecosystem.

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The consequence of the reaction between  sulfuric acid and tetrazine is fire. Option D

The compound tetrazine is a basic compound that is composed of four atoms of hydrogen and two atoms of carbon. The formula of the compound is [tex]C_{2} H_{2}N_{4}[/tex] . The compound is a six membered ring that could react with acids and become decomposed. In all cases of the decomposition of the tartazine the reaction is a violent one that leads to the evolution of flames.

In this case, we have been told that there is a reaction between   sulfuric acid and tetrazine. This is a very violent reaction that would result in the charring of the substrate.

Thus, when there is a chemical interaction between  sulfuric acid and tetrazine, the result is fire.

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For equal masses of a set of substances, the substance with the lightest unit mass will occupy the most volume.

his is further explained below.

Generally, A physical body's mass may be defined as the amount of matter that it contains. Additionally, it is a measurement of the body's inertia, which is the resistance to acceleration when a net force is applied to the system.

A volume is a measurement of the amount of space that is occupied in three dimensions.

In conclusion, When all of the individual masses of a group of substances are the same, the one that has the lowest unit mass will take up the most space.

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The substance occupies a smaller volume

Mass is the quantity of matter an object contains, while the volume is much space take a hold of up. Example: A bowling ball and a basketball are much the same volumes as each other, but the bowling ball has substantially more mass. Volume is the quantity of area occupied by a substance, while mass is the amount of matter it carry. The amount of mass per unit of volume is a sample's substance. Volume is the size of the capacity that an object holds. For example, if a cup can hold 100 ml of water up to the peak, its volume is said to be 100 ml. Volume can also be defined as the amount of space occupied by the 3-dimensional object.

so we can conclude the substance occupies a smaller volume,

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Answer:

Hydrogen and oxygen

Explanation:

1: they react with each other to form the products

2: they are written on the left side of the equation

Answer:

what are you trying say about BLANK 7 times?????????!!!!!!!!!!!!!!

Answer:

The correct answer is blank

Explanation:

plato

1 torr = 0.001 atm

Therefore, 740 torr = 0.740 atm

Let us find out the volume of the gas at STP. At STP, pressure = 1 atm

Now, from Boyles law P1V1 = P2V2

where, lety P1 = pressure given = 0.740 atm

V₁ = Volume at 0.740 atm = 162.2 mL

P2= pressure at STP = 1 atm

V2= volume of the gas at STP From the formula, V₂ = P1V1/P2

Therefore, V₂ = (0.740 x 162.2) / 1 = 120.028 mL of hydrogen gas

Therefore, no. of moles of hydrogen gas obtained = 120.028/22400 = 5.36 x 10-3 moles

Therefore, mass of H2 gas the chemist collected = 5.36 x 10-3 x molar mass of hydrogen = 5.36 x 10-3 x 2 = 0.0107 g.

The gas should replace the water and you should see a bubble shape at the top of the test tube. Once the test tube is filled with hydrogen, dip another test tube into the water and place it on the hose. You can collect as much hydrogen as is produced by the reaction. A common hydrogen compound is a water. Diatomic hydrogen, that is, two atoms per molecule, can be separated from distilled water by electrical separation. This process is known as electrolysis and also produces oxygen gas. This is the easiest and safest way to collect and store hydrogen gas.

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The mass of Hydrogen collected is 0.01072 g.

Let us understand the process of electrolysis.

Electrolysis of water is splitting of water molecule into Hydrogen and Oxygen separately by using electricity. This process is also known as decomposition of water.

In this experiment performed in laboratory, the chemist collected some constants which are given to us as:

Given-

Volume of hydrogen gas collected = 162.2 mL

Pressure = 740 torr.

Using the Boyle’s Law, we can find out the pressure and volume of the gas at STP.

STP = 1 atm but the pressure is in torr so we’ll convert torr into atm.

1 torr = 0.001 atm

Therefore, 740 torr = 0.740 atm

Now, we can apply Boyle’s Law and find the volume of the gas.

Boyle’s Law = P₁ V₁  = P₂ V₂.

After substituting the values, we’ll get the volume (V₂) of the gas.

With this we can easily find out the mass of hydrogen gas collected.

The solution is shown in the image below.

Therefore, the mass of the Hydrogen collected by chemist is 0.01072g.

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(b) This question is incomplete. To determine how many moles of CuSO4 are present in the impure sample, however. The following formula may be applied

moles = mass of CuSO₄  in impure sample ÷ molar mass of CuSO₄

(c) This question is also incomplete. , to calculate the mass percentage of CuSO₄ present in the impure sample of CuSO₄, the formulato be  used is :

Mass percentage of CuSO₄ =mass of CuSO₄ present in the impure sample divide by mass of impure CuSO₄ × 100

Since the actual mass of the CuSO4 contained in the impure sample had to be determined before determining the number of moles, the mass of the impure sample must also be measured.

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Answer:

Lead (IV) Iodide

Explanation:

The percent composition of each element's mass in LiClO3 is as follows:

Percent Composition of Li =7.68%,

Percent Composition of Cl = 33.7%,

Percent Composition of O =53.1%.

It is necessary to know the molar masses of the constituent parts. We have:

Molar Mass Li = 6.94 grams per mole

Molar Mass Cl = 30.45 grams per mole

Molar Mass O = 16 grams per mole

Molar Mass LiClO3 = 90.39 grams per mole

Percent Composition of Li:

Utilizing the molar masses of Li and the specified compound:

[tex]\% \mathrm{Li}=\frac{6.94 \frac{\mathrm{g}}{\mathrm{mol}}}{90.39 \frac{\mathrm{g}}{\mathrm{mol}}} \times 100[/tex]

%Li =7.68%

Percent Composition of Cl:

Using the molar mass of Cl and the molar mass of the given compound

[tex]\% \mathrm{Cl}=\frac{30.45 \frac{\mathrm{g}}{\mathrm{mol}}}{90.39 \frac{\mathrm{g}}{\mathrm{mol}}} \times 100[/tex]

%Cl = 33.7%

Percent Composition of O:

Utilizing the molar masses of O and the specified compound:

[tex]\% \mathrm{O}=\frac{3 \times 16 \frac{\mathrm{g}}{\mathrm{mol}}}{90.39 \frac{\mathrm{g}}{\mathrm{mol}}} \times 100[/tex]

%O =53.1%

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The total energy in the system is constant hence mechanical energy is conserved as the pendulum moves.

The term mechanical energy refers to energy that is at rest or in motion. The energy that is at rest is called the potential energy while the energy that is in motion is the kinetic energy. A pendulum is always used to demonstrate the principle of the conservation of mechanical energy.

According to this principle, mechanical energy could neither be created nor destroyed but is converted from one form to another. The image as shown leads us to the conclusion that mechanical energy is conserved.

We can see that the potential energy is max at the both ends and is converted into kinetic energy as the bulb moves. The total energy of the system stays the same as we can see from the graph.

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The empirical formula of given hydrocarbon is C1H4.

44g of CO2 → 1mol of carbon

∴0.1467g of carbon dioxide → 0.1467/44 = 0.0033 mol of C

18 g of water → 2mol of Hydrogen

∴ 0.1201 g of water = 2/18 × 0.1201. = 0.013 mol of H

molar ratio of C:H is 0.003 : 0.013

C:H = 1:4

Therefore empirical formula is C1H4

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The calculated value is 1177.263 Liters.

Remember that there is a distinction between a liquid cup and a dry measure cup, just as there is between ounces and gallons. Simply divide the quantity by 16 to determine the number of gallons from the quantity of (liquid) cups.

There are 128 ounces in a gallon, according to a free online liquid measurement conversion calculator. We now understand that there are eight water bottles in a gallon by dividing 128 by 16.9 and rounding up.

311 Gallons = 1177.263 Liters

To convert a gallon measurement to a liter measurement, multiply the volume by the conversion ratio. The volume in liters is equal to the gallons multiplied by 3.785412. There are 3.785 liters in a gallon and a liter is 0.264 of a gallon.

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On mixing chalk powder and water, the mixture obtained is suspension.

The four reasons to support the fact that the mixture of chalk and water is suspension are:-

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The energy of a light with a frequency of 3000 MHz is 1.9878 × 10-²⁴ J.

Energy of a wave such as light wave can be calculated by multiplying Planck's constant by the frequency of the light as follows:

E = hf

Where;

According to this question, a light wave has a frequency of 3000 MHz. The energy can be calculated as follows:

E = 6.626 × 10-³⁴J/s × 3 × 10⁹Hz

E = 1.9878 × 10-²⁴ J

Therefore, the energy of a light with a frequency of 3000 MHz is 1.9878 × 10-²⁴ J.

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Answer: GoodMorning: ) ✨ How an atom reacts chemically depends on how willing it is to share electrons with others. So  When copper is combined with another element, in it makes bronze, the first manmade metal alloy. Ok let me just explain it to u to make it easy 4 you to understand .

Explanation: So we should know that when An atom refers to the smallest, indivisible unit made up of matter and forms all chemical elements.

Hence, atoms are the fundamental building blocks of matter and they determine the structure of all chemical elements.

In Chemistry, an atom is made up of three (3) distinct subatomic particles and these include;

Chemical reactivity determines how readily a chemical element bonds with other chemical elements by sharing its electrons with them.

As a general rule, how an atom reacts chemically is highly (largely) dependent on the number of valence electrons in the outermost shell of its atom.

In conclusion, the willingness of an atom to share electrons determines how it reacts chemically with others.

Have a Great Day: ) <3

Answer:

1, I'm not sure but I hope it helps God Bless