4 HF (g) + SiO 2 (s) → SiF 4 (g) + 2 H2 O (l)

What mass of water (in grams) is produced by the reaction of 67.0 g of SiO2?

The diagram below shows the movement of Earth plates. Which of these features is most likely formed as a result of the movement of Earth plates shown in the diagram? Select one: a. a fault b. a ridge c. a trench

4.5 moles of carbon monoxide is hoe many grams

C10H11 + O2 - CO2 + H2O

Suppose we want to charge a flask with 1.6 g of sugar. We put the empty flask on a balance and it is determined to weigh 330 g. Enter the weight we would expect to see on the balance when we're done adding the sugar.

What does the nucleus of a atom contain?

Ozone reacts completely with NO, producing NO2 and O2. A 13.0 L vessel is filled with 1.30 mol of NO and 1.30 mol of O3 at 401.0 K. Find the partial pressure of each product and the total pressure in the flask at the end of the reaction.

Which particles make up the nucleus of an atom? protons and electrons neutrons and electrons protons only protons and neutrons neutrons only

An egg is fried is that a physical or a chemical change

How many mono-; di -; and trichloro derivatives are possible for cyclopentane?

A gas occupies 3.60 L when the temperature is 45.0oC and at 1.02 atm of pressure. What temperature change (in K) will be needed to change the volume to 6.25 L at constant pressure?