Why didn't scientists know about atoms for a long time

Which of these is a flat topped under water volcano? select one: a. guyot b. ocean trench c. abyssal plain d. seamount

Calcium carbonate reacts with hydrochloric acid to form calcium chloride, carbon dioxide, and water. What mass of hydrochloric acid will be needed to produce 5.00 x 10 3 kg of calcium chloride?

What type of reaction takes place when atoms or molecules rearrange to form new substances?

Imagine that you mixed 25 mL of water at 0 C and 25 mL of water at 50 C. What is the final temperature of the water, how do you know? What is the ▵T for the cold water? How much heat energy transferred to the cold water?

Mass, size, and color are examples of what?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?