Is ammonia a homogeneous mixture?

A group of students are wandering around a room. when their teacher claps, the students sit down wherever they are. this situation best models the formation of which type of solid?

out of 2.00 50 mL of water is added to 30 mL of a 0.50 M salt solution. What is the new concentration? (To write your answer using scientific notation use 1.0E-1 instead of 1.0 x 10-1)

Which country contributes most to the greenhouse effect?

In an exothermic reaction, energy is blank the surroundings. In an endothermic reaction, energy is blank the surroundings.

If a tractor trailer and a car are both traveling 50km/h when they hit which will have the greatest change in speed and directions?

What is the polyatamic ion of thiosulfate

What two spheres are being pulled by the fires of gravity

What happens to the total mass of a substance undergoing a physical change

32 g of sulfur will react with 48 g of oxygen to produce 80 g of sulfur trioxide. if 20 g of sulfur and 100 g of oxygen are placed into a sealed container and allowed to react, what is the mass of sulfur trioxide in the container after the reaction

Water exhibits high levels of cohesion due to the polarity of the molecule (positively and negatively charged sides). given this information, which type of bond is responsible for water's cohesion and which atoms interact to form this bond?