If the heat of fusion for water is 334 j/g how many joules are needed to melt 45.0 g of ice at

If I have 0.52 moles of sodium iodide, how much water would it take to make a 1.31 M solution?

Which of the following would have the highest terminal fall velocity? silt topsoil clay small pebbles

1. In a simple electric circuit, a 200-volt electric heater draws 5.0 amperes of current. What is the resistance of the heater?

How many moles are in 2.0 grams of FeO

What use is chlorine-36

Is an american alligator a autotroph?

A/1 * B/C = D, You find yourself with 17 guilders (a gold coin) but you are planning on taking a trip to a country where the local currency is the florin. The current exchange rate is 2 guilders for every 3 florins.

The burning of wood in a fireplace generates heat and light in the form of flames. Which of the following terms best describes this type of reaction? a. condensation reaction b. exergonic reaction c. endergonic reaction d.

How are the number of protons and the number of neutrons related?

If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 mL of water when placed in a beaker, what is its mass? a 1.46 g b. 0.685 g c. 116 g