In a chemical, reaction react to form products. Accounding to the law of conservation of matter, if the total mass of the reactants is 10.0 grams, what will the total mass of the products be? how do we know?

Two semi trucks are both traveling down the highway at 70 mph the checks are identical except one is full and one is empty which truck has more kinetic energy and why

Is a transformer used to convert mechanical energy to electric energy

The average annual snowfall values for four different cities are shown in the table below.

What type of reaction is the equation C + O2 → CO2? Question 10 options: decomposition single displacement synthesis

A 32 year old immigrant from a patriarchal country is giving birth. As she is delivering the baby, she tearfully confesses to her doctor that this is her 4th child and she simply cannot handle any more children.

Describe a change caused by kinetic energy as well as a change caused by potential energy.

Which is more concentrated, a solution (1) prepared by dissolving 21.0 g of naf (0.500 mol) in enough water to make 500 ml of solution or a solution (2) prepared by dissolving 10.5 g (0.250 mol) of naf in enough water to make 100 ml of solution?

Hi i need hel does any one know what P3N2 means?.-.

How does thermal energy transfer when a room is heated by a furnace?

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