Other Chemistry Answers

Complete the following diagrams illustrating each classification of chemical reaction. The first one has been completed for you.

how much energy (in kj) is required to heat 25.0 g of H2O (s) at -18.0 degrees celsius to H2O (g) at 130.0 degrees celsius

Calculate the molar refractivity of allyl chloride at a temperature at which it's density is 0.938g cm^-3 the experimentally observed value of refractive index at this temperature is 1.3715.

What is physically imagined by an orbital

discussed the Laws of Thermodynamics and their relation to energy and energy transfer. Energy transfers take place constantly in everyday activities. Think of two scenarios: cooking on a stove and driving. Explain how the second law of thermodynamics applies to these two scenarios.

A piece of food is placed into a bomb calorimeter. How much energy (in food calories/Cal/kcal) was stored in the food if 500. g of water increases from 25 to 75°C

a cylinder of helium gas has a volume of 1.0 L. The gas in the cylinder exerts a pressure of 800 kPa at 30 degrees. What volume would this gas occupy at SATP

Balance the following chemical equations. Always show your solution.
1. ____ N 2 O 5  ____ N 2 + ____O 2

2. ____ C 5 H 12 + ____ O 2  ____ CO 2 + ____ H 2 O

3. ____ C 4 H 6 O 3 + ____ H 2 O  ____ C 2 H 4 O 2

Determine whether or not the reaction is a redox reaction? If it is, state which substance is oxidized, and which is reduced. State how many electrons are transferred in each reaction.

2H20 (l) + 2Cl- (aq)àH2 (g) + Cl2 (g) + 2OH- (aq)

250 grams of silver nitrate react with an excess amount of potassium chloride to produce potassium nitrate and silver chloride. How many grams of silver chloride do you get?