Mrs. Elder travelled from Zillah, WA to Tacoma, WA in 3 hours. She traveled 201 miles on the trip. What was the speed she traveled at with no stops? (Speed=Distance/Time)

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

According to the tide table below what time of day will the highest tide occur?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.