Heated bricks or blocks of iron were used long ago to warm beds. A 1.49 - kg block of iron heated to 155 Celsius would release how many joules of heat as it cooled to 22 Celsius?

What is the pOH of a solution with a pH of 8

What do you mean by penetration effect?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position

Which statement is generally true about CaCl2? It has only metallic bonds between the atoms. It has only covalent bonds between the atoms. Its bonds are formed by large differences in electronegativity.

Which compounds contains primarily carbon and hydrogen atoms linked together by nonpolar covalent bonds

Three types of single called organisms

48g LiOH dissolved in 1.0 L of solution. calculate the molarity

A (g) + 2B (g) → C (g) + D (g) If you initially start with 1.00 atm of both A and B and find that at equilibrium 0.211 atm of C is present, what is the value of Kp for the reaction at the temperature the reaction was run?

Erwin Schrödinger developed the quantum model of the atom. What scientific knowledge was necessary for Schrödinger's work?

What is not needed in the chemical formula for a covalent compound a-display of positive and negative charges b-specific atoms put together in the compound c-how many of each atom are combined d-abbreviation for an atoms included