Which has more mass, a 28.0-cm3 piece of lead or a 16.0-cm3 piece of gold? the density of lead is 11.4 g/cm3; the density of gold is 19.3 g/cm3?

H3c6h5o7 (aq) + 3nahco3 (aq) → 3co2 (g) + 3h2o (l) + na3c6h5o7 (aq) calculate the number of grams of baking soda (nahco3; molar mass 84.00661 g/mol) that will react with 30.0 ml of 1 m citric acid.

Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H + and Fe3 + in the balanced reaction?

What is the voltage of a circuit in a toaster with 12.0 amps of current and 8.0 ohms of resistance? OA 96 volts B. 1.5 volts . C. 0.67 volts D. 20 volts

Consider the reaction h2 (g) + cl2 (g) ⇀↽ 2 hcl (g), which is exothermic as written. what would be the effect on the equilibrium position of increasing the temperature?

Hydrogen cyanide is prepared commercially by the reaction of methane, ch4 (g), ammonia, nh3 (g), and oxygen, o2 (g), at high temperature. the other product is gaseous water. (a) write a chemical equation for the reaction.

Why do airbags fill evenly with gases?

In which of the following reactions will Kc = Kp? In which of the following reactions will Kc = Kp? (A) SO3 (g) + NO (g) ↔ SO2 (g) + NO2 (g) (B) 2 N2 (g) + O2 (g) ↔ 2 N2O (g) (C) 4 NH3 (g) + 3 O2 (g) ↔ 2 N2 (g) + 6 H2O (g) (D) 2 SO2 (g) + O2 (g) ↔ 2

Which tool is most suitable for a chemist to measure the mass of a liquid

What is the equation adheres to the law of conservation of matter

What ironic contrast does Vonnegut include in this scene? George tells his wife to forget sad things, but readers would expect George and Hazel to want to remember their son.