How many moles are in 4 grams of H

When 6 grams of zinc are dropped into excess hydrochloric acid, how many grams of zinc chloride will be produced?

You are to give ampicillin 35 mg/kg to a child with a mass of 26 kg. If stock on hand is 250 mg/capsule, how many capsules should be given?

Which statement is true of a catalyst? A. It behaves as a reactant in a chemical reaction. B. It increases the temperature of a reaction. C. It decreases the concentration of the products. D. It accelerates the reaction rates of a mixture.

determine the specific heat of a material if a 35g sample absorbed 96 J as it was heated from 293 K to 313 K?

Whats the difference between crack and cocaine?

All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

Predict the following chemical formula for a compound between calcium and chlorine.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules

When K-37 undergoes positron emission, what is the resulting atom? A) K-37 B) K-38 C) Ar-37 D) Ar-38