The specific heat of aluminum is 0.9 j/goc. how many joules of heat are needed to raise the temperature of 10grams of aluminum by 20°c?

What occurs when chemical bonds break and new bonds form

An atom has a mass number of 30 and 16 neutrons. What is the atomic number of this atom?

How many molecules of glucose are in a 2.0 mL of a 1.02 mM solution of glucose

How Do Single-Celled Decomposers Get Energy?

If a catalyst is used in a reaction: A. the equilibrium shifts. B. the reaction rate does not change. C. the energy of activation increases. D. the reaction rate increases.

How are atoms and elements alike and different?

Define - Solute ...

Calculate the pH of 0.65 M H2SO4 (sulfuric acid) solution? (Ka2: 1.1x10-2)

Ozone reacts completely with NO, producing NO2 and O2. A 13.0 L vessel is filled with 1.30 mol of NO and 1.30 mol of O3 at 401.0 K. Find the partial pressure of each product and the total pressure in the flask at the end of the reaction.

Which particles make up the nucleus of an atom? protons and electrons neutrons and electrons protons only protons and neutrons neutrons only