464 Answered Questions for the topic AP chemistry
How many grams of O2 can be prepared from the decomposition of 4.50 grams of potassium chlorate?
When solutions of potassium iodide and lead (II) nitrate are combined, the products are potassium nitrate and lead (II) iodide.
A compound is found to contain 16.66 grams of carbon and 3.49 grams of hydrogen. a. Find the empirical formula. (C2H5) b. The molar mass is 87. Find
Combustion of a 0.2000 gram sample of vitamin c (which contains c,h,and 0 Yield 0.2998 g of c02 and 0.0819 g of h20. calculate the empirical formula of vitamin
Find the percentage of water in copper sulfate pentahydrate ?
how many molecules of h20 are contained in 150.grams of water
how many moles of co2 are in 10.0 grams of co2
5. An empty 3.00 L bottle weighs 1.70 kg. Filled with wine it weighs 4.55 kg. The wine contains 11.0% ethyl alcohol by mass. How many ounces of ethyl alcoh
A bug travels at the rate of 3.0 miles/hour. How fast is this in m/nsec? Hint: 2.54 cm = 1 inch and 1 mile = 5,280 feet
A cylinder has Diameter = 25.0 mm Calculate its density in g/cm3. Height = 59.0 cm Mass = 38.0 g
A bug travels at the rate of 3.0 miles/hour
he diameter of metal wire is often referred to by its American wire gauge number.
he diameter of metal wire is often referred to by its American wire gauge number. A 16-gauge wire has a diameter of 0.05082 inches
Assume you had a silver sphere with a mass of 1.50 kg. Calculate the diameter of the sphere
Which could be added to a solution of potassium fluoride to prepare a buffer? A) sodium hydroxide B) potassium acetate C) hydrochloric acid D) sodium fluoride
What is the molar mass of Neon rounded to the nearest whole number
Writing Chemistry Formulas
HHow much heat is needed to warm 115 grams of water from 26 degrees Celsius to 61 degrees Celsius
how many moles of PbCl2 will dissolve in 1 liter of .2 M Pb(NO3)2