You have a 20 gram piece of aluminum and a 40 gram piece of aluminum sitting in the sun. Which piece of aluminum will increase by ten degrees first? What is your evidence and reasoning?

Calculate the volume in liters of a 0.104 M potassium permanganate solution that contains 375. mmol of potassium permanganate. Be sure your answer has the correct number of significant digits. Answer should be in L

The ksp of copper (ii) carbonate, cuco3, is 1.4 * 10-10. calculate the molar solubility of this compound.

What change occurs if solid metal is heated at a very high temperature

What technology was revolutionized by spatial analysis and cartography? a. the abacus b. the satellite c. the telescope d. Geographic Information System

A brick measures 25cm by 12 cm by 13 cm. What is the volume of the brick in cm3? How many milliliters of water would this brick displace?

Audrey is driving 50 miles in 2 hours what is her average speed?

Water has a specific heat of 4184 J / (kgK) how much energy is needed to increase the temperature os a kilogram of water 5C?

A student noticed while doing the neutralization experiment that the calorimeter kept getting warmer. how would this error affect the final calculation for the δhneut of each reaction? would it be overestimated, underestimated or remain unaffected?

A solution contains 45 grams of nitrogen gas and 40 grams of argon. What is the mole fraction of argon in this solution?

How is an animal cell related to tissue and organs