Which compound has both ionic and covalent bonding? (a) CaCO3 (b) CH2Cl2 (c) CH3OH (d) C6H12O6

Balance the chemical equation Na3PO4 (aq) + NiCl2 (aq) - >Ni3 (PO4) 2 (s) + NaCl (aq)

each liter of hydrazine, N2H4, has enough hydrogen for two liters of water." There is a huge error Watney's estimation, what is it? (Hint: think phases and Avagadro's Gas Law) Each gram of hydrazine will produce 2 grams of water.

What is the percent of water in the hydrate

What is the ph of 0.0080 M HCI

Kwame wants to measure the volume of water contained in a disposable foam coffe. Which should he use? Nanoliters? Milliliters? Or liters?

In the equation Mg (s) + O2 (g) → MgO (s) what is the reactant?

What ancient languages were used to develop the names of some elements?

What determines the color of the egg shell?

What is the purpose of adding alum in the water treatment process?

Science does not include beliefs or opinions theories laws conclusions