A force of 200N is needed in order to push a wheelbarrow that weights 1000N. If the wheelbarrow is pushed 30m, how much work is done on the wheelbarrow? What power is required if it takes 10 seconds to push the wheelbarrow?

Match the description to the correct term. If the description matches both terms, use "both" for your answer. Cause (s) the temperature of the surroundings to decrease. Cause (s) a change in the temperature of the surroundings.

Scientists can detect heat from some kinds of objects in space. This heat is most likely transmitted by which of the following? convection only radiation only convection and conduction radiation and conduction

How many molecules of H2O are in 97.28 g of H2O?

Explain why Hydrogen bonding is the strongest of the intermolecular forces, followed by dipole-dipole interactions and then London dispersion forces.

Briefly explain the process of refining of petroleum.

Ollie wants to sign up with an online social network called TeensMeet, which other kids at school have joined.

7. A perfect cube has a width of 2 cm. What is the cube's volume? Show your work!

Predict at least two circumstances (outside influences) that would cause a system in equilibrium to change the concentrations of its reactants or products.,

How many atoms are there in 2.3 grams of H?

Which of the following would dissolve in water, and why? None of these substances would dissolve in water Candle wax, it is a nonpolar substance Motor oil, its primary IMF is London Dispersion Forces Acetic acid, it ionizes into ions when added to