Flammable materials, like alcohol, should never be

dispensed or used near

A. an open door.

B. an open flame.

C. another student.

D. a sink

Which describes the results of the double slit experiment? Check all that apply.

A 50 g piece of aluminum is heated to 800c and then dropped into cold water, where the metal's temperature drops to 300c. how many calories does it lose to water? (specific heat capacity of aluminum is. 21 cal/g0c)

What is a process by which a gas changes to a liquid called?

Water decomposes into hydrogen and oxygen when an electric current is applied. How many grams of water must decompose to produce 2 grams of hydrogen and 16 grams of oxygen?

Which serves as evidence for a scientific claim? surveys of public opinion company advertisements controlled experiments personal websites

What are elements and how do they differ?

Write the structire of the salt that forms when diethylamine is mixed with hydrochloric acis

The heat of combustion of propane, C3H8, is 2220 kJ/mol. The specific heat of copper is 0.385 J/g°C. How many grams of propane must be burned to raise the temperature of a 10.0 kg block of copper from 25.0°C to 65.

Which is an example of Temporal Isolation? A. Flowers that bloom in different months. B. Birds that have different mating calls C. Fruits flies that mate in different locations. D. Squirrels that have different fur colors

A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for chemical reactions in living things is high or low / Explain your answer