# chemistry

posted by .

At 25 degrees celsius, the dimensions of a rectangular block of gold are 4.42 cm by 3.07 cm by 2.63 cm. The mass of the gold is 689g.

I found that the density is 19.3g/cm^3 at 25 degrees

but how will the density change if the temperature is increased to 125 degrees?

## Similar Questions

1. ### chemistry

Calculate the mass for: A gold sample that absorbs 225 J to change its temperature form 15 degrees celsius to 47 degrees celsius.
2. ### chemistry

A 10.0 grams piece of gold 90.0 Celsius was stirred into 15.0ml of water at an initial temperature of 25.0 degrees Celsius. The final temperature of the water was 26.34 degrees celsius. Calculate the specific heat of gold. The specific …
3. ### Chemistry

A 15g sample of what appears to be gold that was heated from 22 degrees C to 39 degrees C, required 26.3 J of energy. If the specific heat of gold is .129 J/(g x degrees C), is the metal pure gold?
4. ### College Chemistry

The specific Heat of gold is 0.128 J/g degrees Celsius. How much heat would be needed to warm 250.0g of gold from 25.0 degrees Celsius to 100.0 degrees Celsius
5. ### chem

Calculate the amount of heat required to heat a 3.3kg gold bar from 24 degrees celsius to 61 degrees celsius. Specific heat capacity of gold is 0.128 J/g degrees Celsius! Express your answer using two significant figures.
6. ### chemistry

what mass of a sample of gold requires 1.75 kJ to change its temperature from 28.2 degrees Celsius to 89.5 degrees Celsius?
7. ### Energy question

Your friend comes across a good deal to purchase a gold ring. She asks you for advice for you to test the ring. The ring has a mass of 4.54 g. When you heat the ring with 94.8 J of energy, its temperature rises from 23.0 degrees celsius …
8. ### Chem 30 Thermodynamics

Your friend comes across a good deal to purchase a gold ring. She asks you for advice for you to test the ring. The ring has a mass of 4.54 g. When you heat the ring with 94.8 J of energy, its temperature rises from 23.0 degrees celsius …
9. ### physical science

A gold bar has a mass of 250 grams and is heated from 25 degrees Celsius to 55 degrees Celsius. How much heat did the gold bar absorb?
10. ### Chemistry

I need help I do not know how to set up this problem. Calculate the energy to heat three cubes gold aluminum and silver from 15 Celsius to 25 degrees Celsius. Density gold:0.129 J/g degrees C Density aluminum: .896 J/g degrees C Density …

More Similar Questions