Which term defines the following: moles of solute mass of solvent in kg?

A. affinity

B. molality

C. molarity

D. normality

Group 1 includes the alkali metals. what are the general properties of elements in this group

The enthalpy of a reaction can be measured using what

Define prediction and explain how it is used to formulate a hypothesis.

Which type of chemical reaction occurs in Ca + Cl2 - >CaCl2? synthesis combustion single replacement double replacement

Which of the following is a property of sodium hydroxide? feels slippery. releases H3O + in an aqueous solution. turns litmus paper red. reacts with Mg to produce H2 gas. tastes sour.

One isotope has 6 protons and 8 neutrons which reference names this isotope

When an atom that has no charge loses two electrons, it becomes a: A: positive ion. B: negative ion. C: positive isotope. D: negative isotope.

A 155.0 9 piece of copper at 182 °C Is dropped into 2500 g of water at 23.9 °C. (The specific heat of copper is 0.385 1/9°C.) Calculate the final temperature of the mixture. (Assume no heat loss to the surroundings.)

Which state of matter is characterized by having an indefinite shape, but a definite volume? Gas Liquid Solid None of the above

What metric unit is used to measure distance?