Which element reacts spontaneously with 1.0 M HCl (aq) at room temperature?

(1) copper

(2) gold

(3) silver

(4) zinc

How many grams of lead (II) iodide are produced from 6.000 moles of NaI according to the balanced equation: Pb (NO3) 2 + 2 NaI à 2 NaNO3 + PbI2

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°C to 29°C? A. Q = 0.75 g x 0.897 J/g•°C x 22°C B. Q = 0.75 g x 0.

Which is the correct name of the compound Cu3N2?

If the pressure of 125 l of gas is changed from 2.52 atm to 1.50 atm the new volume will be

Which classification is the most specific for the element uranium a. actinide-series element b. transition metal c. inner transition metal d. lanthanides-series element

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.