Chapter 1, Problem 1.78E

Given that a 11.630 gg milk chocolate bar contains 7.815 gg of sugar, calculate the percentage of sugar present in 11.630 gg of milk chocolate bar keeping in mind that the answer should have four significant figures (two decimal places).

Professor Gomez's dogJasper, is a very anxious little guy, so she baked him some treats that contain melatonin to help calm him down. The treats are quite small, and each one contains 150 of melatonin Jasper's veterinarian recommended he take milligrams of melatonin per of body weight per day Jasper weighs exactly 15 lbs. How many of the melatonin containing treats is he allowed to have in one day? Note : 2.20 lb=1 log

A 2.26 liter glass bottle is full of oil. Assume it contains 2.26 L of oil.  The density of oil is 1.12 g/mL.  The glass bottle itself has mass of 474 grams.  What is the weight of bottle plus oil in pounds?    This is similar to question 11 in 'some extra questions' in module.

A glass contains 50g of water. Convert the mass from gram (g) to kilogram(kg)

A α 1/B means:A. A is directly proportional to B B. A is inversely proportional to B C. None of the above

A student performed the same experiment as you . The following data was recorded in their lab notebook . Calculate the student's experimental value of R. Round your answer to four places after the decimal ..

1Please help show work and use significant figures

Determine what category "3 bananas" belong in for the following problem: "You bought $30 worth of bananas. How many bananas did you buy? Assume that bananas cost $0.59/lb and that there are 3 bananas per pound" A. Unit desired B. quantity C. part of a conversion factor D. none of these

A doctor's prescription for ibuprofen is 6.5 mg per kg of body weight per dose. For a child, who weigh 34 lbs, calculate the number of grams to be given in a dose. Round a answer using correct sig figs