If an atom has 5 protons and 6 neutrons how many electrons does it have? What would the mass of this atom be?

According to the graph, which of the following substances is least soluble in 100 grams of water at 50°C? 1. KCI 2. Nacl 3. NHACI 4. HCI

How many grams of water are made from the reaction of 4.0 grams of hydrogen gas with the given reaction 2H2+O2--->2H2O

In the reaction C7H16 + __O2 → 8H2O + 7CO2, what coefficient should be placed in front of O2 to balance the reaction? 7 8 11 no coefficient is needed

How many moles of CO4 are in 870 mL of a 0.75 M solution? 0.65 moles 1.2 moles 650 moles 1200 moles

What is the equilibrium constant for the reaction of AgCl (s) with concentrated HCN? The Ksp of AgCl is 1.8 * 10-10 and the Kf of Ag (CN) 2 - is 1.0 * 1021.

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.

The lowest possible concentration of free hydrogen ions is represented by a ph value of

Diseases that are inherited are caused by

Why do many metal ions produce acidic solutions when dissolved in water?

Which property of potential energy distinguishes it from kinetic energy? a. mass b. position c. force d. work and power