Compared to the total mass and total charge at the beginning of a redox reaction, the total mass and total charge upon completion of the reaction is

1. Less

2. Dependent on what the reaction is

3. Greater

3. The same

How much energy is required to change a 40 g ice cube from ice at - 14◦c to steam at 118◦c? the specific heat of ice is 2090 j/kg · ◦ c, the specific heat of water is 4186 j/kg · ◦ c, the specific heat of stream is 2010 j/kg · ◦ c, the heat of

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

How many amps does a 100-watt light bulb draw?

What experimental evidence led to the development of this atomic model from the one before it? A few of the positive particles aimed at a gold foil seemed to bounce back. The colors of light emitted from heated atoms had very specific energies.

Choose the correct explanation of whether the discovery should be considered reasonable or surprising. a. This would be exciting, but not surprising. Heat from Martian volcanoes may well be enough to melt water under the Mars' surface. b.

Describe the uses of compound pulleys

Why do cities on the East Coast have warmer climates than cities on the West Coast at similar latitudes?

What energy transformations take place when you eat a taco and then go for a jog around the neighborhood?

What is the kinetic energy of a 1.40 kg discus with a speed of 22.5 m/s?

A + B → C + D If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed? A) 0 grams B) 1 gram C) 2 grams D) 4 grams