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)

Would you recommend storing nuclear waste near natural resources? Explain why or why not.

When cooking frozen cheese ravioli, the directions say to put the 255 grams of filled pasta into 3 quarts of boiling water. why should you use 3 quarts when 1 quart would easily cover them all?

A chemical reaction can be represented by

Which compound contains ionic bonds? (1) NO (3) CaO (2) NO2 (4) CO2

Why the physicochemical study of substances has allowed humans to use the products of these chemical processes in their daily lives?. minimum 400 words

If you have 3.01 E24 molecules of CO, how many moles of CO do you have?

Which is NOT a phase of mitosis?

You spot a friend walking on a moving walkway in an airport. You are not on the walkway and you want to keep up with her. At what speed do you need to walk? A. the speed of the walkway multiplied by the speed at which she is walking B.

The specific silver is How many joules of energy are needed to warm 4.37 g of silver from 25.0 degrees * C to 27.5 degrees * C?

Which is the empirical formula for hydrogen peroxide