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dezoksy [38]
3 years ago
6

Step five: measure the mass of the water copper tear the balance put calorimeter no lid on the balance measure the mass to the n

earest 0.01 g:?g
Use a graduated cylinder to add approximately 40 mL of water to the calorimeter measure the mass of the Canterbury heater no lid and water to the nearest 0.01 g:?g

Subtract to find the mass of the water.:?g

Chemistry
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

The picture is the correct answers

Explanation:

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3 years ago
The graph below shows how the temperature and volume of a gas vary when the number of moles and the pressure of the gas are held
DedPeter [7]

Answer:

Option C. By increasing the temperature

Explanation:

From the graphical illustration above, we see clearly that the volume and temperature of the gas are directly proportional. This implies that as the temperature increases, the volume will also increase and as the temperature decreases, the volume will also decrease. This can further be explained by using the ideal gas equation as shown below:

PV = nRT

P is the pressure.

V is the volume.

n is the number of mole.

R is the gas constant.

T is the temperature.

PV = nRT

Divide both side by P

V = nRT/P

Since n and P are constant, the equation above becomes:

V & T

V = KT

K is the constant.

The above equation i.e V = KT implies that:

As T increases, V will also increase and as T decreases, V will also decrease.

Considering the question given above,

The volume of the gas can be increased if the temperature is increased.

6 0
4 years ago
Which phrase describes convection?
Ann [662]

Answer: transfer of heat by the actual movement of warmed matter

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7 0
3 years ago
Read 2 more answers
What molecules have 5 carbon atoms and 12 hydrogen atoms
goldfiish [28.3K]

ANSWER

THE PENTANES

EXPLANATION

he word for5 in Greek is PENT like the 5 sided and 5 angled building in Wachington the PENTagon.

SO C5H12 IS PENTAND BECAUSE IT HAS NO DOUBLE BONDAS IT IS AN ALKANE

SO SO C5H12 IS PENT-ANE    PENTANE AND THERE ARE MULTIPLE FORMS OF IT

4 0
3 years ago
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melamori03 [73]
It changes from a liquid from to a solid.

I hope this helps!
3 0
3 years ago
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