Which gas sample contains a total of 3.0 × 1023 molecules? A) 71 g of Cl2 B) 2.0 g of H2 C) 14 g of N2 D) 38 g of F2

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

What is the average rate of the reaction between 10 and 20 s?

How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?