The movement of the lithospheric plates changes the number of continents on Earth. This change would be seen over

A.

centuries.

B.

millions of years.

C.

decades.

D.

thousands of years.

Under constant-volume conditions, the heat of combustion of benzoic acid (c6h5cooh) is 26.38 kj/g. a 2.600-g sample of benzoic acid is burned in a bomb calorimeter. the temperature of the calorimeter increases from 21.90°c to 29.74°c.

James developed a plan to find the percent composition of the compound KClO3. His first step was to find the mass of the individual elements.

Identify the reactants and the products in this chemical equation. 2Fe2O3 + 3C → 4Fe + 3CO2

An organic chemist plans for the synthesis of a complex organic molecule by

What I the square root of 81 times 2

Which of the following samples will have the greatest volume at STP? 22 g CO 22 g He 22 g O2 22 g Cl2 All of these samples would have the same volume at STP.

How do I get the answer for 105 Fahrenheit to Celsius

Open-ended question: Differentiate between a solution and a two phase mixture. Brass is would be classified as which one of them? Which would you classify a salad as?

What is the path of electron around nucleus.?

A sample of a radioactive nuclide has a mass of 10 g. How many half lives must transpire until less than 21% of the original sample is present?