pls help its due in a few minutes

Pls Help Its Due In A Few Minutes

Answers

Answer 1

Answer:

Theory

Explanation:


Related Questions

______________ have a fixed volume but not a fixed shape.

Answers

Answer:

liquids have a fixed volume but not a fixed shape

Hope it helps u

Answer:

[tex] \boxed{ \sf{liquid}}[/tex]

Explanation:

Liquid have a fixed volume but not a fixed shape.

Hope I helped!

Best regards! :D

Two bottles are connected with a valve. In bottle A, there are 2.4 L of nitrogen gas at 1.8 atm. In bottle B, there are 4.8 L of nitrogen gas at 1.8 atm.
After opening the valve, what is the pressure of nitrogen gas?
Please answer in atmospheres.
I will give brainliest please answer quickly!
My

Answers

Answer:

1.8 atm

Explanation:

For bottle "A"

P1 = 1.8 atm V1 = 2.4L, P2 = ?, V2 = 2.4 + 4.8 L = 7.2 L,

Thus using P1•V1 = P2•V2, we have;

P2 = (1.8 × 2.4)/7.2 = 0.6 atm

For bottle "B"

P1 = 1.8 atm, V1 = 4.8L, P2 = ?, V2 = 7.2L,

P2 = (1.8 × 4.8)/7.2 = 1.2 atm

We will now add the individual pressures of each bottle;

Total pressure = P(A) + P(B)

Total pressure = 0.6 + 1.2

Total pressure = 1.8 atm.

What is the total number of moles contained in 115g of C2H5OH?





I will mark as Brainliest!

Answers

2.4962859606272754 moles of C2H5OH

how does instinstansly seed differ i will name brainlyest

Answers

Answer:The difference between seed plants and seedless plants is that seedless plants do not bear seeds for propagation, whereas seed plants bear seeds for multiplication.

Explanation:

I have the stupid pls help

Answers

Answer:

third sentences is correct i think

Answer:

combined number of protons and electrons

Complete the passage to explain how thermometers work.

Temperature is read by measuring the liquid in the thermometer using the scale on the thermometer. When the temperature rises, the liquid in the thermometer
. When the temperature drops, the liquid in the thermometer

Answers

Answer:

Temperature is read by measuring the liquid in the thermometer using the scale on the thermometer. When the temperature rises, the liquid in the thermometer rises. When the temperature drops, the liquid in the thermometer drops.

Explanation:

got it right on edge

When the temperature is increase so the liquid in the temperature should be rised.

When there is a fall in the temperature the liquid in the thermometer should be fallen.

Working of thermometers:

The temperature should be read via calculating the liquid in the theromemeter by applying the scale occur in the thermometer. At the time when the temperature is increase so the liquid in the temperature should be rised. While on the other hand, When there is a fall in the temperature the liquid in the thermometer should be fallen. This means it shows the direct relationship between them

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What is an atomic nucleus?

Answers

Answer:

The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom

Mass describes:

A.)How crowded particles are in an object.
B.) Amount of particles in an object.
C.) Size of an object

Answers

Answer:

amount of particles

Explanation:

Mass is the number of atoms in an object. That is why mass stays constant wherever you go unless the object magically gains or loses atoms

An object has a density of 10.00 g/mL. If the object has a volume of
25.00 ml, what is the mass?

Answers

Answer:

The answer is

250 g

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question

volume of object = 25 mL

Density = 10 g/mL

The mass of the object is

mass = 25 × 10

We have the final answer as

250 g

Hope this helps you

Scientists often _________________________ and _______________________ to help them interpret complex ideas. *

Answers

Answer:

no sir

Explanation:

What is the name of this element?

Answers

Answer:

Tungsten

Explanation:

Which of the following is NOT a reason why chemical bonds are important? *

a:Bonds are used to make new substances.
b:Building and breaking bonds are part of the energy cycle.
c:Bonds create new elements.
d:Chemical bonds sustain life.

Answers

Answer:

the answer would be B :)

The correct answer is; Bonds create new elements

Chemical bonds are formed when two or more atoms are joined together to form a compound.

Chemical compounds are more stable than the respective elements from which they are formed.

Chemical bonds do not create new elements.

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An object at a high temperature has more or less kinetic energy than an object at a low temperature

More or less ?

Answers

Hotter objects have a higher average kinetic energy and a higher temperature; cooler objects have a lower average kinetic energy and a lower temperature. ... The atoms, molecules, and ions in objects have a range of speeds and kinetic energies: some are moving faster and others are moving slower.

ALOT OF POINTS !! PLEASE HELP DUE SOON!!

Mistakes to avoid using mean:
Mistakes to avoid using median:

Answers

Answer:Answer:I can't understanding your question

SORRY

6.72 x 10^12 in standard form

Answers

Answer:

6.72*10¹²= 6,720,000,000,000 in standard form.

Explanation:

Scientific notation is a quick way to represent a number using powers of base ten.

The numbers are written as a product:

a * 10ⁿ

 where:

a is a real number greater than or equal to 1 and less than 10. n is an integer called an exponent. Represents the number of times the comma is shifted. If the exponent is positive, move the decimal point to  the right. And if the exponent is negative, move the decimal point to  the left.

In this case 12 is a positive number, so the decimal point is shifted to the right 12 places.

So, 6.72*10¹²= 6,720,000,000,000 in standard form.

If i have a 50 L container that holds 45 moles of gas at a temperature of 473 K, what is the pressure inside the container?

Answers

Answer:

The pressure inside the container is 34.97 atm

Explanation:

Given:

V=50L R= 0.0821LatmK^-1mol^-1

n= 45mol T= 473k

PV=nRT

P= nRT/V

= 45mol*0.0821Latmmol^-1K^-1*473K/ 50L

=34.95atm

Which term describes the information that a scientist gathers during an investigation? Data, hypothesis, observation, variable and why HURRY

Answers

During the research, the scientists collect the details and observations based on the information called data. Thus, option A is accurate.

What is data?

A data is set of facts and observations including textual information, graphs, images, etc. It includes all the measurements and observations collected during the research work. The hypothesis is a thesis statement or a theory.

Observation in research is the gained information and facts during the research process that involves the recording of the data using some sort of tools. While variable is the set that can vary or change.

Therefore, the correct option is A. data.

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In one second an ant dragged an object 1 mm. What was its speed in cm/min?

Answers

Answer:

The speed of the ant is 6 [tex]\frac{cm}{min}[/tex]

Explanation:

Speed ​​is a magnitude that expresses the relationship between the space traveled by an object, the time used for it and its direction. In other words, velocity relates change in position (or displacement) with time by:

[tex]speed=\frac{distance}{time}[/tex]

In this case:

speed= ?distance= 1 mmtime= 1 second

Replacing:

[tex]speed=\frac{1 mm}{1 second}[/tex]

Being 1 mm equivalent to 0.1 cm and 1 seconds equal to 0.01667 minutes then:

[tex]speed=\frac{1 mm}{1 second}=\frac{0.1 cm}{0.01667 min}[/tex]

speed = 6 [tex]\frac{cm}{min}[/tex]

The speed of the ant is 6 [tex]\frac{cm}{min}[/tex]

il give brainly and 50 points if u answer my question

Answers

Okay what is it?? I’ll try my best to help you

Answer: Whats ur Question?

Explanation:

I need help with this on

Answers

Answer:

Experiment one, if you are only allowed to choose one answer choose C.

If you allowed to choose 2 answer's Choose A. and C.

Hope this helps! :)

Explanation:

Answer:

C

Explanation:

Reasoning for it being number one because it was repeated multiple times with the same answer while project 2 was repeated once

Find the density of a substance with a mass of 5.0 kg and a volume of 43 m3.

Answers

density is 0.11 rounded 0.12. d=m/v

Which property would cesium most likely have? It is hard. It is ductile. It is a gas. It has low reactivity.

Answers

Answer:

it is ductile

Explanation:

i took the test

Answer:

b

Explanation:

A 5.0 km race is scheduled for this weekend. How many miles is this race?

Answers

Answer:

3.10686

Explanation:

A 5.0 km race is scheduled for this weekend. Total miles is this race is 3.10686.

What is kinetic energy?

Kinetic energy is a form of energy it possess when any object or person is in motion . It can be defined as the work needed to be done to produce a motion in a object from rest position.

If we want to acceleration in an object then we must apply a force on a object to give  motion so we can say that we required to do work for acceleration and then we can say that required is equal to kinetic energy.

Mathematically,

Kinetic energy =1/2mv^2

Where

m = mass of object.

v = velocity of object

Kinetic energy is vector quantity it means that it have both i.e magnitude and vector. . It can be defined as the work needed to be done to produce a motion in a object from rest position.

S.I unit of Kinetic energy is Joule.

Therefore, A 5.0 km race is scheduled for this weekend. Total miles is this race is 3.10686.

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Find the unit rate. 14 apples for 2 pies
Your answer
Is?

Answers

Answer:

7

Explanation:

You have to divide 14 by 2 to find the unit rate/constant of proportionality.

Answer:

7

Explanation:

Need a little help with chemistry :)
*if you don’t, know don’t answer*

Answers

answer: 1.4 kg

you divide 1369 g by 1000 g and it’ll give u 1.4 kg

What are 2 indications that a chemical change has occurred?

Answers

Answer:  The color has changed or the formation of light and heat. Also, the temprature will change as well.

Explanation:


What is the momentum of a 0.01 kg toy car moving at 5.0 m/s?

Answers

Answer: 0.05 kgm/s

Explanation:

Chlorine–35 has 17 protons. How many protons and neutrons does the isotope chlorine–36 have? 19 protons and 17 neutrons 17 protons and 18 neutrons 17 protons and 19 neutrons 18 protons and 17 neutrons

Answers

Answer:

17 protons

19 neutrons

Explanation:

Chlorine will always have the same amount of protons, and that would be 17 protons.

The atomic mass will change according to how many neutrons are present.

Cl - 35 is comprised of 17 protons and 18 neutrons.

We want to find Cl - 36:

We simply add 1 neutron. 18 + 1 = 19 neutrons.

It has 17 protons and 19 neutrons

Which of the following mixtures could be separated using distillation? Select all that
apply.
O A solution of rubbing alcohol and water.
A solution of salt and water.
An alloy of copper and gold.
O A solution of sugar and water.

Answers

i think the answer is a or d

The solutions which can be separated  using distillation are that of alcohol, salt and sugar with water.

What is distillation ?

It is defined as a process by which components are separated from a mixture which is liquid  by selective boiling and condensation. Dry distillation is a process of heating solids to produce products in gaseous state.

Distillation results in complete  separation of components  or may be sometimes partial.Due to partial separation,concentration of selected components increases in the mixture. It exploits  differences in  relative volatility  of components of a mixture.

It has many applications like distillation of fermented products which produces distilled beverages , in desalination and in petroleum and oil industry.

It is mainly conversion of liquid into vapor state ,which is subsequently converted back to liquid . It is used to separate volatile liquid from solids and also volatile liquids and non-volatile liquid .

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Which statement best describes a possible way that
societal decisions were impacted by the 1974 research
study?
O CFCs were commonly used in refrigeration
O CFCs were replaced with other products
O CFCs were causing a large hole in the ozone layer.
O CFCs were the focus of a research study.

Answers

Answer: (B) CFCs were replaced with other products

Answer:

B

Explanation:

I don't have 1 sorry

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