What In the formula Na3PO4 how many moles of sodium? How many moles of phosphorus? How many moles of oxygen?

Which of the following solvents are polar? (eg Have an overall molecular dipole) (Hexanes, Ethyl Acetate, Ethanol) Ethyl acetate Ethyl acetate and ethanol Ethanol Hexanes Ethyl acetate and hexanes

How many aluminum atoms are in 2.20 g of aluminum?

An ideal gas is allowed to expand from 5.40 L to 35.1 L at constant temperature. By what factor does the volume increase? Will the pressure increase or decrease by that same factor? If the initial pressure was 143 atm, what is the final pressure?

What reaction shows one element taking the place of another in a compound?

How many Calcium, hydrogen, and oxygen atoms are in Ca + 2H2O → Ca (OH) 2 + H2?

How does the momentum of a dog and a horse, which are both running at the same velocity, compare?

Subject 22. Where do you find the electrons in an atom? a. In the nucleus b. Travelling around the nucleus C. In the protons d. Travelling in the protons

What is the main difference between rocks and minerals

A part of the periodic table is shown below: A portion of the sixteenth and seventeenth columns of the periodic table is shown. Column 16 reads eight oxygen, 16 sulfur, and 34 selenium. Column 17 reads nine fluorine, 17 chlorine, and 35 bromine.

Global climatic patterns are changing because of the melting of polar ice caps. The melting of polar ice caps is an example of the interaction between the