Water has a known specific heat capacity of 4.184 J/g °C. Use the specific heat

Chemistry

1 answer:

kicyunya [14]3 years ago

3 0

Answer:

Explanation:Calculate the Energy Needed to Change a Solid Into a Liquid ... Heat of fusion is the amount of heat energy required to change the state of matter ... of fusion is: q = m·ΔHf; Note that the temperature does not actually change when ... Useful information: Heat of fusion of water = 334 J/g = 80 cal/g ... m = mass

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How many inches is in 10 cm? Use dimensional analysis to show your work.

jeka57 [31]

Answer:

about 3.937

Explanation:

There are exactly 2.54 cm in an inch so we have

10cm/1 * 1inch/2.54cm = 10inch/2.54 = 3.937

4 0

3 years ago

A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spheric

Luba_88 [7]

Complete Question

A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 74.0 wide. The biologist estimates she will need 2600 L of air for the dive. Calculate the pressure to which this volume of air must be compressed in order to fit into the air tank. Write your answer in atmospheres. Round your answer to significant digits.

Answer:

The pressure required is $P_2= 12.2 \ atm$