If a 250 mL bag at 19°C, is

heated to 60°C, what will the

new volume of the bag be?

Molecular mathematics

5. Which element, when combined with fluorine, will form an ionic compound? * a. oxygen b. bromine c. potassium d. nitrogen 6. What is the correct formula for sodium sulfate? * a. NaHSO3 b. NaHSO4 c. Na2SO3 d. Na2SO4

Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. C₂H4 + O2→CO₂ + H₂O

In Hooke's law, what does k represent? A. the distance the spring stretches B. the elastic constant, a number that tells the relative strength of the spring C. the constant of gravity D. the amount of force acting on the spring

A galaxy moving away from us would exhibit what type of spectrum shift?

A student has 2.99 g of Potassium Permaganate. How many mL of a. 532 M solution can the student make? How does one solve this?

Which statement is true according to the kinetic theory? 1. Moles of different gases with the same mas and temperature always have the same average density. 2.

A substance with a pH of 9 has A) no H30 + ions or OH - ions. B) more H30 + ions than OH - ions. C) more OH - ions than H30 + ions. D) the same number of H30 + ions as it does OH - ions.

Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them are state functions? a. 2 b. 0 c. 3 d. 1 e. 4

What are some good problem statements