Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes soft. What State of matter is the softer wax? Is it possible for wax to change without changing state

How much heat is required to increase the temperature of 198.5 grams of water from 25.0

Only one of the following atomic notations is written correctly, A. 56 26Fe B. 15 7n C. 21 44 Sc D. 36 8F

What is the mass in grams of a single formula unit of silver chloride agcl?

Which statements about genes are true? Check all that apply. Genes are found on chromosomes. Genes cannot be inherited. Genes are passed from children to parents. Genes can mutate and cause disease. Genes code for proteins.

Consider the rate below R=K[A][B]^2 Which step would quadruple the rate? doubling the concentration of A doubling the concentration of B doubling the concentration of both A and B doubling the concentration of A but halving the concentration of B

Compare gases with liquids and solids according to the kinetic molecular theory

4Cr (s) + 3O2 (g) = Cr2O3 (s) Find the theoretical yield in moles and grams

Which isotope is used to date ancient artifacts such as fossils?

Bromine + calcium iodide  calcium bromide + iodine

Why do metals tend to lose electrons to form positive ions? A) They hold on tightly to electrons. B) A metals atom loses its few valence electrons to form a full octet.