Which two particles in an atom have the same mass? protons and electrons or protons and neutrons

How many grams of CO2 will be produced from 39.0 g of C3H8 and 11.0 g of O2? grams (round to three significant Figures)

How many moles are in 458 grams of Na2SO4

What is it called when u inhale and exhale

A medical office needs 525 mL of a 1:10 solution of hypochlorous acid. The stock solution is hypochlorous acid 25%. How much stock solution and how much water should be combined? a. 310 mL stock and 215 mL water b. 315 mL stock and 210 mL water c.

1. Which of the following is a combination reaction? a. 2SO2 + O2-> 2SO3 b. Zn + Cu (NO3) 2->Zn (NO3) 2 + Cu c. 2H2O2-> 2H2O+O2 d. AgNO3 + NaCl → AgCl+NaNO3

Consider the following four solutions: a. NaCl in water b. Acetic acid in water c. Acetic acid in benzene d. Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type?1.

Formula for sulfur tetrafluoride

Geologists think that parts of the Appalachian Mountains formed originally from sediments accumulating in shallow swamps. The weight of the sediments caused the area beneath them to sink, allowing more sediments to accumulate.

What volume would 1.5 mol of nitrogen gas occupy at standard temperature and pressure?

State three reason why do you think air is a mixture and water a compound?