Physics, 10.03.2020 20:25 Fabito9069

Please help me it's for 25 points and I will mark brainliest

Mg + 2HCl → MgCl2 + H2
1. Is the equation above balanced? How do you know?

2. Give an example of a substance changing temperature and what happens to the motion of molecules as the temperature changes?

Answers: 1

Show answers

Another question on Physics

Physics, 21.06.2019 21:50

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

Answers: 1

Answer

Physics, 22.06.2019 09:10

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Answers: 1

Answer

Physics, 22.06.2019 10:00

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !

Answers: 1

Answer

Physics, 22.06.2019 12:00

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Answers: 1

Answer

You know the right answer?

Please help me it's for 25 points and I will mark brainliest

Mg + 2HCl → MgCl2 + H2

Questions