In France, grapes are 1.67 Euros per kilogram. What is the cost of grapes in dollars per pound, if the exchange rate is 1.33 dollars per Euro?

What are groups 1, 2, and 3 examples of on the periodic table? A. Nonmetals B. Metals C. Noble gases D. Metalloids

Why is refraction so important in eyeglasses.

Deter - mine how many moles of vitamin A2 contain the same number of atoms as 1.000 mol vitamin A.

Do you know how to do this? if you have 4 grams of carbon-14, how much carbon 14 remains after 11,460 years? the half life is 5,730 years.

A double carbon-carbon bond is found in a molecule of (1) pentane (3) pentyne (2) pentene (4) pentanol

Suppose you find a rock that contains some potassium-40 (half-life of 1.3 billion years). you measure the amount and determine that there are 5 grams of potassium-40 in the rock.

What are some positive and negative effects of the production of maple syrup on society and the environment?

Describe and give an example of parasitism.

Why is a dilute solution of oleic acid used instead of pure oleic acid?

The vapor pressure of benzene (C6H6) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 179 g of benzene and 0.217 mol of a nonvolatile nonelectrolyte?