Jimmy mixes 2 chemicals in the lab. The chemicals change color and they get hot. The rise in temperature

shows this reaction is:

A copper coin with a mass of 6.30 grams changes temperature in the sunshine from 20.0°C to 32.0°C. How much energy is transferred? The specific heat capacity of copper is 0.377 joules/gram degree Celsius.

Why does fast moving water lead to greater erosion then slow moving water?

The nutrition label on a bottle of cola reports that a 8.0 fl oz serving contains 25 g of sugar. How many kilograms of sugar are in a 2.0 L bottle of cola? Use the conversion 1 L = 33.8 fl oz.

Oxygen-16 (15.994915 amu) is synthesized in the sun by fusion of Carbon-12 (12.000000 amu) and Helium-4 (4.00260 amu). How much energy is released in this nuclear reaction? 3.82 x 10-18 kJ X 10-15 1.20 x 101

Chemist preformed Reaction of solid magnesium burning and found that the mass of the magnesium oxide what is greater than the mass of the magnesium.

What similarities do nuclear energy and chemical energy share?

What is the oxidation state of sulfur in SO3?

How much does copernicium cost in dollars?

Which best describes the molecules of an ideal gas

MgNH4PO4> Mg2P2O7+NH3+H2O