The temperature of a sample of a substance changes from 10.°C to 20.°C. How many Kelvin does the temperature change?

What is the specific heat of a substance that absorbs 2.5×10^3 joules of heat when a sample of 1.0 ×10^4g of the substance increases in temperature from 10°c to 70°c?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume