How much heat should be transferred when 38.2g of liquid brownie reacts with excess hydrogen gas to form hydrogen bromine? Is the heat being transferred from the system to the surroundings or from the surroundings to the system?

A substance is found to be reactive, flammable, soluble, and explosive. Which of these observations is a physical property? A. reactive B. explosive C. soluble D. flammable

Organic chemistry is the study of compounds containing A. carbon. B. hydrogen. C. oxygen. D. nitrogen.

Moles of Fe in 5.22 x1022 atoms of Fe

What is the molarity of a solution containing 55.8 g of MgCl2 dissolved in 1 L of solution?

What chemistry word or sentence can you make using the following letters: E, S, T, C, U, E, W, E, C, E, A, O, T, Y, U, M, E

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.

How do astronomers explain the formation of the milky way galaxy

1 What characteristic of an element determines how its atoms can bond with other atoms?

The law of conservation of mass states that during a chemical reaction, total mass is

What information is needed to write a correct chemical formula to represent an ionic compound?