What substance reacts with acid to form hydrogen gas is it one of the below

Carbonate, oxygen, carbon dioxide, magnesium ribbon, gold which one?

Which particle is the smallest?

List four elements used in dfds, draw the symbols, and explain how they are used.

If 6 moles of a compound produce 84 J of energy, what is the AHreaction in J/mol?

When aqueous solutions of K3PO4 and Ba (NO3) 2 are combined, Ba3 (PO4) 2 precipitates. Calculate the mass, in grams, of the Ba3 (PO4) 2 produced when 1.2 mL of 0.152 M Ba (NO3) 2 and 4.2 mL of 0.604 M K3PO4 are mixed.

A plastic bag has a volume of 22.3 liters at a pressure of 100.0 kPa. If the pressure of the balloon is decreased at 83.5kPa, what will be the new volume of the balloon?

4 HCI + O2 - > 2 H2O + 2 CH2 How many moles of H2O can be produced from 30. moles of HCI?

How many molecules of nitrogen gas are in 22.4 L? A. 6.022 * 10^22 B. 6.022 * 10^23 C. 6.022 * 10^24 D. 6.022 * 10^25

What is the pH of a 0.0025M HCI solution?

Moles of Zn (NO3) 2 in 131.50g of this substance.

Each degree on the Kelvin scale equals: 1°C 10°C no relationship (different scale) 100°C