1.) write a formula for a compound of platinum (IV) hydrogen phosphste.?

2.) name the compound Pt3 (PO3) 2

3.) name the compoundCu3As

4.) write the formula for a compound of Rubidium oxalate

4.5 moles of sodium sulfate contain how many atoms of sulfur

A student had 1.00 L of a 1.00 M acid solution. Much to the surprise of the student, it took 2.00 L of 1.00 M NaOH solution to react completely with the acid. Explain why it took twice as much NaOH to react with all of the acid.

Which of these refers to atoms with the same atomic number but different atomic masses?

If the specific heat of iron is 0.449 J/g·K, what is the enthalpy change of this process for 100 g of Fe (s) ? Is the process endothermic or exothermic? Explain.

In the periodic table, how are elements in the same group related to each other? A. They have the same atomic mass. B. They have very different properties. C. They have the same atomic number. D. They have very similar properties.

What is the net ionic equation for the following reaction? H2CrO4 + Ba (OH) 2

How does improving food-storage facilities make farming more sustainable? A. It decreases the amount of water needed. B. It keeps food from rotting as quickly and being wasted. C. It decreases the amount of land needed. D.

Which of the following shows the correct net ionic equation for the reaction between HCl and NH3?

How would non secretion of of saliva effect digestion of food in the mouth.

Which of the following is insoluble in water? a." (NH) SO b. Na so c. Maso d. ZnSO e Baso