How much heat is needed to raise the temperature of 8g of water by 18oC?

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1. Calculate the end velocity of a rocket that traveled 16km in 2 seconds. distance time 2. Calculate the rockets acceleration m with a start velocity of 0m/s and the end velocity from #1 for 10 seconds.

How many moles in 1.5*10^23 molecules of NH3?

A fluorine ion has nine protons and a charge of - 1. how many electrons are in an ion the fluorine. A. 1 B. 9 C. 10 D. 8

What types of substances are with Metallic Bonds

Which of the following compounds can in principle be isolated in optically active form at room temperature? a. cis-1,4-dimethylcyclohexane b. trans-1,3-dimethylcyclohexane c. 1,1-dimethylcyclohexane d. cis-1-ethyl-3-methylcyclohexane

An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?

A compound of material formed by a chemical is known as?

Which of these molecules experience london dispersion force?

What happens to the volume of most matter when it is heated?

An aqueous solution is made from a molecular compound rather than from an ionic compound. If some ions are present in solution, which best describes the solute? A. a weak electrolyte B. a nonelectrolyte C. a strong electrolyte D.