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3 years ago

6

If you wanted to perform a controlled experiment to test the effect of temperature on the pressure of a bicycle tire, which of t

he following would be necessary?

1 answer:

Sav [38]3 years ago

6 0

It would be the needle pressure gage temp check

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Potassium has a mass number of 40 and an atomic number of 19. how many protons does it have?

ratelena [41]

19. The atomic number is the same as protons and electrons unless it have a - or a + charge the electrons are going to change

6 0

2 years ago

The volume of a gas at 2.0 atm is 3.0 L. What is the volume of the gas at 1.5 atm at the same temperature?

Andru [333]

<u>Answer:</u> The final volume of the gas comes out to be 4 L.

<u>Explanation:</u>

To calculate the volume with changing pressure, we use the equation given by Boyle's law.

This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

Mathematically,

$P\propto \frac{1}{V}$ (At constant temperature and number of moles)

The equation given by this law is:

$P_1V_1=P_2V_2$

where,

$P_1\text{ and }V_1$ are initial pressure and volume.

$P_2\text{ and }V_2$ are final pressure and volume.

We are given:

$P_1=2.0atm\\V_1=3L\\P_2=1.5atm\\V_2=?L$

Putting values in above equation, we get:

$2atm\times 3L=1.5atm\times V_2\\\\V_2=4L$

Hence, the final volume of the gas will be 4 L.

4 0

3 years ago

Read 2 more answers

A reaction between ammonia gas and chlorine gas produces

7nadin3 [17]

Answer:

32.25

Explanation:

8NH3 + 3Cl2 → 6NH4Cl + N2

NH3 = 17 g/mol

number of moles = 1

NH4Cl= 43 g/mol

number of moles = 3/4

mass= 43 × ¾ ≈ 32.25 g

7 0

2 years ago

Read 2 more answers

Two objects, both at 285 Kelvin, are placed closely together. Because they are both at a high temperature, heat will transfer be

skad [1K]

False, because heat travels from warm to cool objects, so if both have the same temp ( ie: no temp difference) heat will not be transferred between them.

3 0

3 years ago

Convert 0.320 atm to mmhg

Molodets [167]

<h2><em><u>PLEASE MARK BRAINLIEST</u></em></h2>

760 mmHg = 1 atm Therefore 30 atm = 760 * 3 mmHg = 2280 mmHg p1 = 700 mmHg p2 = 2280 mmHg You can compare them from there. You may also convert mmHg to atm by dividing by 760.

Your answer would be 243.2 mm Hg

5 0

3 years ago

Read 2 more answers