Answer:
yes it is
Explanation:
while boating or on the land it is the same amount of alcohol
Answer:
Any amount will be have the same effect on Blood Alcohol Content while boating OR on land .
Explanation:
Answer the question 100 POINTS!!
Answer:
12.979 m:L (3 d.p.)
Explanation:
Combined Gas Law
[tex]\sf \dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}[/tex]
Temperature must be in kelvins (K).
To convert Celsius to kelvins, add 273.15.
Volume can be in any unit.
Given values:
P₁ = 0.837 atmV₁ = 17.5 mLT₁ = 48°C = 48 + 273.15 = 321.15 KP₂ = 0.995V₂ = T₂ = 10°C = 10 + 273.15 = 283.15 KRearrange the equation to isolate V₂:
[tex]\implies \sf V_2=\dfrac{P_1V_1T_2}{P_2T_1}[/tex]
Substitute the given values into the equation:
[tex]\implies \sf V_2=\dfrac{0.837 \cdot 17.5 \cdot 283.15}{0.995 \cdot 321.15}[/tex]
[tex]\implies \sf V_2=12.979\:mL\:(3\:d.p.)[/tex]
Therefore, the volume at 10°C will be 12.979 mL (3 d.p.).
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Temperatures
T1=273.+48=321KT2=273+10=283KApply combined gas law
[tex]\\ \rm\dashrightarrow \dfrac{P1V1}{T1}=\dfrac{P2V2}{T2}[/tex]
[tex]\\ \rm\dashrightarrow V2=\dfrac{P1V1T2}{P2T1}[/tex]
[tex]\\ \rm\dashrightarrow V2=\dfrac{0.837(17.5)(283)}{0.995(321)}[/tex]
[tex]\\ \rm\dashrightarrow V2=12.978mL[/tex]
[tex]\\ \rm\dashrightarrow V2=12.98mL[/tex]
Summarize: If you know the RGB values of two colors of light, how could you calculate the RGB value of a mixture of the two colors? _______________________________________
_________________________________________________________________________
Which type of carbon fixation stores carbon dioxide in acid form? a. c3 b. c4 c. cam d. all of the above
The type of carbon fixation stores carbon dioxide in acid form is CAM i.e. crassulacean acid metabolism.
What are CAM?CAM stands for crassulacean acid metabolism in this process photosynsthesis is occured at day time but the exchange of gases takes place at night itself only.
In this carbon fixation process, carbon dioxide is stored in the form of organic acid malic acid and losses carbon dioxide at the night time and by doing this it helps in the storage of water.
Hence option (C) is correct.
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Answer:
CAM
Explanation:
Yes the correct answer is option C, ( CAM) I just took the test.
what is the volume of 0.4 mole of gas at stp? 30 points!
Answer:
89.6 liters
Explanation:
A STP (standard temperature and pressure) ONE mole of any idea gas will occupies 22.4 liters. So,...
4 moles x 22.4 L/mol = 89.6 liters
8.96 L is the answer
Many human epithelial cells produce sticky mucus. Which of the following statements best describes how this mucus functions in nonspecific adaptive immunity?
provides an impenetrable outer covering that cannot be penetrated by most pathogens
assists in the physical removal of pathogens from the body
produces antibodies that will cause pathogen lysis
promotes growth of the body's normal microbiota
Answer:
The answer is provides an impenetrable outer covering that cannot be penetrated by most pathogens :)
Explanation:
The cells line the skin so then it makes it really difficult for germs to get through. :)
Have an amazing day!!
Consider the following reactions Ca(OH)2 + 2NH4Cl - Cacl2 + 2H₂O + 2NH2 a) how many grams of cacl2 will be formed from the if . 1)40 gram of nh4cl?
Answer:
41.495
Explanation:
107 gm of 2NH4Cl gives 111 gm of CaCl2
40 gm of 2 NH4Cl gives =(111*40)/107
=41.495 gm of CaCl2
Why Don't Birds Get Electrocuted When They Land on Electric Wires?
Answer: Because most electrical wires have an outer coating so you don't get electrocuted when you touch them. You could ask why don't you get electrocuted when you touch a phone charger, same answer, same outer coating.
Answer:
The copper in electrical wires is a great conductor, and birds are not great conductors. So the energy will just bypass the birds and keeps moving along the wire.
Explanation:
A balanced chemical equation for the decomposition of hydrogen peroxide is:
2H2O2 + 2H2O + O2.
True or false
Answer:
true
Explanation:
The graph above shows the titration curve that resulted when a sample of 0.1 M monoprotic acid was titrated with a solution of NaOH. Based on the graph, the pKa of the acid is closest to
(A) 3.0
(B) 4.0
(C) 6.0
(D) 8.0
(E) 12.0
Based on the titration curve of the monoprotic acid, pKa of the monoprotic acid is closest to 8.0.
What is a titration curve of acid?A titration curve of an acid is a curve obtained from the plot of the pH against the amount of base added.
The titration curve of an acid reveals its pKa.
The pKa corresponds to the midpoint of titration when equal concentrations of the acid and base have reacted.
From the titration curve above, the pKa of the monoprotic acid is closest to 8.0.
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https://brainly.com/question/22390063
please I really need help
Explanation:
1) False
2) True
3) True
4) True
5) False
6) True
7) False
8) False
9) False
10) True
I hope it helps you
I'm sorry if I'm late
how many units of NaOH are in 80 grams of NaOH
Answer:
0.17637 pounds
Explanation:
hope this help
The number of units of NaOH are in 80 grams is 12.046 x 10²³ Particles of NaOH.
What is Mole concept ?The mole, symbol mol, is the SI base unit of amount of substance.
The quantity amount of substance is a measure of how many elementary entities of a given substance are in an object or sample.
Formula to calculate number of Particles when weight of the sample is given ;
N = given weight / Molecular weight x Nₐ
= 80 / 40 x 6.023 x 10²³ Particles
= 12.046 x 10²³ Particles of NaOH
Hence, The number of units of NaOH are in 80 grams is 12.046 x 10²³ Particles of NaOH.
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Working with a strong acid, such as sulfuric or nitric acid, requires special care to strictly avoid contact with the acid. What should you do if do come in contact with the acid despite your best efforts?.
Answer:
immediately flush the affected area gently with lukewarm water for at least 30 uninterrupted minutes
Explanation:
If strong acid comes into contact with the skin, immediately wash the affected area gently with lukewarm water for at least 30 minutes and get medical attention immediately.
How to care for acid exposure?
Exposure to strong acids such as sulphuric acid can occur as skin contact, ingestion, or inhalation of vapors. Each kind of exposure can create serious hazards to health and should be managed quickly and appropriately by medical professionals to reduce damage and health risks.
If strong acid comes into contact with the skin, quickly flush the affected area gently with cold water for at least 30 minutes and seek medical attention immediately. If strong acid gets into your eyes, then flush the eye(s) with water for 30 minutes.
If accidentally ingest strong acid, rinse your mouth with water immediately. But do not induce vomiting and continually rinse your mouth with water. If you inhale strong acid aerosols, get fresh air, and medical attention immediately.
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what are two basic properties of the gas phase
Answer:
It has no definite shape or volume.
how many moles of H2 would be required to produce 37.0 moles of water?
Hii there !
The reaction accompanying production of water in this case would be -
[tex]\green{ \underline { \boxed{ \sf{H_2+ \frac{1}{2}O_2\longrightarrow H_2O}}}}[/tex]
Thus ,by observing the reaction, we can conclude that 1 mole of Hydrogen (H[tex]_2[/tex])react with 1/2 mole of oxygen(O[tex]_2[/tex])to produce 1 mole of water (H[tex]_2[/tex]O)
[tex]\implies[/tex]Therefore, 37.0 moles of hydrogen(H[tex]_2[/tex]) will be required to produce 37.0 moles of water.
Hope it helps.
Suppose that sequence of bases on one segment of DNA is ATCGGA. What is the sequence of the bases on the complementary segment?
is it
A: ATCGGA
B: CGATTC
C: AGGCTA
D: TAGCCT
And why is it one of those that you picked.
Answer:
A: ATCGGA
Explanation:
First, think about which base pairs arise in complementary strands of DNA..
Flammable liquids are those that have a flashpoint of:.
Answer:
Flammable liquid is any liquid having a flashpoint at or below 199.4 °F (93 °C).
Explanation:
:)
Flashpoints for flammable liquids are at 100°F. Lower flash points allow for easier ignition of liquids. A liquid's flash point is the lowest temperature at which a concentrated enough layer of vapor accumulates on top of its surface to allow for ignition.
A liquid that is flammable has a flash point* below 37.8 ° C (100 ° F). A flammable liquid has a flash point that ranges from 37.8 to 93.3° C (100 to 200° F), which is above the standard working temperature. Flammable liquids emit a vapor that, at standard working temperatures, is easily ignitable.
The substance ignites more readily the lower the flash point. For instance, petrol is more flammable than ethylene glycol and has a flash point of about -40 degrees C (-40 °F).
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Which element do all organic compounds contain?
nitrogen
silicon
carbon
phosphorous
12. Which is true of this cell as the redox reaction is
taking place?
1) The mass of Al electrode will increase, and
the mass of Ni electrode will decrease.
2) The mass of Al electrode will decrease, and
the mass of Ni electrode will increase.
3) The mass of Al electrode will increase, and the
mass of Ni electrode will remain the same.
4) The mass of Al electrode will remain the same,
and the mass of Ni electrode will increase.
Conuri
How long is cooked steak good for in the refrigerator?.
Answer:
three to four days
Explanation:
Leftover steak is safe to eat after three to four days in the refrigerator—any longer and you could catch a foodborne illness from bacteria growth. Bacteria can also grow on perishable food that has been left out at room temperature for over two hours or kept at a temperature lower than 40°F.
list two examples of agroecology methods used in Burkina Faso. Dirt! The movie
Examples of agroecology method use are in Burkina Faso are conservation tillage, green manures, natural fertilisers, biological predators and so on.
What is Agroecology?Agroecology refer to an approach that use ecological processes in agricultural production systems.
The benefits of Agroecology is that it help to protect, restore and also improve agriculture and food systems when there is climate shocks and unfavorable weather conditions.
Therefore, Examples of agroecology method use are in Burkina Faso are conservation tillage, green manures, natural fertilisers, biological predators and so on.
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The attractions between anions and cations throughout a crystal are known collectively as.
The attractions between anions and cations throughout a crystal are known collectively as ionic bonds.
What are ionic bonds?The ionic bonds are a special type of bond where ions (cations and anions) are mutually attracted.
The ionic bonds are fundamental bonds for the development of certain compounds and molecules.
Ionic bonds may be produced between metal compounds that lose electrons (e-) and non-metals that gain e-.
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Reading Strategy (page 412)
Relating Text and Visuals As you read, look carefully at Pigures 1
and 2 and read their captions. Complete the table by describing the
work ohown in each figure for more information on this Reading
Strategy, see the Reading and Study Skills in the skills and
Reference Handbook at the end of your textbook
Figure
Direction
of Force
Oirection
of Motion
Is Work
Dono?
20
20
20
412 A101
Work is said to be done when force moves a distance and the direction of motion is in the direction of applied force.
What is work done?Work done is defined as the product of applied force and the distance which the applied force moves.
According to Newton's second law of motion the acceleration of a body is inversely to its mass ut directly proportional to the force and takes place in the direction of the applied force.
Therefore, work is done when force moves a distance and the direction of motion is in the direction of applied force.
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HELP PLS DUE TODAY
Biotechnology Activity
Now that you are more familiar with the benefits, risks, and impacts of biotechnology, it is time for you to take a stand! Your task is to choose one of the following types of biotechnology: genetic engineering, cloning, or artificial selection.
You will then write a one- to two-paragraph summary describing your chosen type of biotechnology. You will then need to argue for either the benefits or the risks of your chosen type. Your arguments should present your position, and then give the evidence that led you to this position. Be sure to include the following in your argument:
a description of your chosen type of biotechnology (genetic engineering, cloning, or artificial section)
one benefit or one risk for the individual (based on whether you are for or against it)
one benefit or one risk for society (based on whether you are for or against it)
one benefit or one risk for the environment (based on whether you are for or against it)
A picture (you may hand draw, take photos in nature, or use stock images)
Answer: Ok
Explanation: Explanation:Using recombinant DNA technology to modify an organism's DNA to achieve desirable traits is called genetic engineering. Addition of foreign DNA in the form of recombinant DNA vectors that are generated by molecular cloning is the most common method of genetic engineering.
Adjust the alkalinity from 70 ppm to 100 ppm in a 250. 000 gallon pool using sodium bicarbonate
For an adjustment of the alkalinity from 70 ppm to 100 ppm in a 250,000 gallon pool using sodium bicarbonate, the amount of added chemical is mathematically given as
X=105lbs
What is the amount of added chemical?Generally, the equation for the Chemical added is mathematically given as
X=requred usage*desired change/10ppm*pool of gallon/10000
Therefore
X=1.4*(100-70/10)*(250000/10000
X=105lbs
In conclusion, the added chemical
X=105lbs
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Which substance have the same number of carbon (C) atoms?
Answer:
Carbon monoxide
Explanation:
Carbon dioxide and carbon monoxide have the same number of carbon atoms.
Mark Brainliest
A 300 L sample of hydrogen was compressed to a volume of 200 L at STP. If the initial temperature is 35.0 °C,
what was the initial pressure?
* please show equation!!
brainliest!!
Answer:
76.210kPa
Explanation:
[tex] \frac{p1v1}{t1} = \frac{p2v2}{t2} \\ p1 = \frac{p2v2t1}{v1t1} \\ p1 = \frac{101.325 \times 200 \times 308}{300 \times 273} \\ p1 = 76.210kpa[/tex]
How many moles of KBr will be produced from 7 moles of BaBr2?
BaBr2 + K2SO4 --> 2 KBr + BaSO4
1 mole KBr
7 moles KBr
3.5 moles KBr
14 moles KBr
1 mol BaBR2 produces 2mol KBr .
7 mol s of BaBr_2 produces:-
7(2)14mol KBrOption D is correct
Which of the following ionic compounds has a transition metal in it?
a. KOH
b. Cs2S
c. CuSO4
d. MgCl2
Considering that copper occupies Group 11, the ionic compound with a transition metal in it is c. CuSO₄.
What is a transition metal?A transition metal is any of the set of metallic elements occupying a central block (Groups 3–12) in the periodic table. The differential electron occupies a d subshell.
Which of the following ionic compounds has a transition metal in it?
a. KOH. No, K occupies Group 1.b. Cs₂S. No, Cs occupies Group 1.c. CuSO₄. Yes, Cu occupies Group 11.d. MgCl₂. No, Mg occupies Group 2.The ionic compound with a transition metal in it is c. CuSO₄.
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Which of the following statements accurately describes energy during the phase change of sublimation?
Energy is released.
Energy slows down.
Energy stays the same.
Energy is absorbed.
Answer: Your answer is D. Energy is absorbed.
Hope this helps!
Answer:
Energy is absorbed
Explanation:
For sublimation ....let's look at ice as an example
you must add calories (heat ) to melt the ice and then heat to produce water vapor .... sublimation requires energy input
How many grams of rock salt, Naci, do you need to add to a 3.78 kg of ice, to get the temperature to drop to -190?
1129.9 grams of rock salt, NaCl should be added to a 3.78 kg of ice to get the temperature to drop to -19 °C.
What mass of rock salt is required?The mass of rock salt required to lower the temperature of ice by 19 °C is determined using the Blagden's Law given below:
[tex]ΔT = iK_fm[/tex]where;
ΔT = Change in temperature in °Ci = van't Hoff factorKf = molal freezing point depression constantm = molality of the solute in mol solute/kg solvent.The van't hoff factor for NaCl, i = 2
Kf for water/ice = 1.86 °C kg/mol
molalityof NaCl = (mass/molar massl) / kg of ice
The mass of NaCl is derived as follows:
mass of NaCl = molality × mass of ice × molar massmolar mass of NaCl = 58.5
mass of ice = 3.78 kg
Let molality of NaCl = X
ΔT = 19 °C
Inputting the values above in the equation of Blagden law:
19 = 2 x 1.86 °C kg/mol x X
X = 5.11 mol/kg
Then, the mass of NaCl will be;
mass of NaCl = 5.11 × 3.78 × 58.5
mass of NaCl = 1129.9 g
Therefore, 1129.9 grams of rock salt, NaCl should be added to a 3.78 kg of ice to get the temperature to drop to -19 °C.
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