What is the energy transformation for a toaster

A solution with pH of 9.50 has a pOH of?

Two cars, car A and car B, have equal mass. Which car has the greater kinetic energy if both cars have the same velocity?

What is the mole fraction of ethanol in a solution made by dissolving 29.2 g of ethanol, C2H5OH, in 53.6 g of water?

Which sphere exists because of there is liquid iron as part of the earth's core? A. hydrosphere B. atmosphere C. magnetosphere D. lithosphere

Which family (group of elements rarely forms chemical bonds with other elements? a. nonmetals b. noble gases c. halogens d. metalsthe family (group of elements rarely forms chemical bonds with other elements is noble gases?

Select all that apply. At STP conditions, 0.50 moles of CO (g), Cl2 (g), O2 (g) : will contain the same number of molecules, will contain the same number of atoms, will occupy the same volume, will have the same g. f. w.

A chemist adds 45 ml of a M mercury (II) iodide solution to a reaction flask. Calculate the micromoles of mercury (II) iodide the chemist has added to the flask. Round your answer to significant digits.

The Sun has more gravity than the other planets in our solar system because the Sun is A) hotter. B) more massive. C) made of plasma. D) undergoing fusion.

Molarity tells us ___. A. whether a solution is considered weak or strong B. how many grams of solute are dissolved in a given volume of solution C. the likelihood that a given volume of solution will dissolve more solid D.

If a batch of cinnamon rolls absorbs 342 kJ of heat while baking in the oven has released how many kj