Consider the equation 2KBr + Cl2 → KCl + Br2. What type of reaction is this?

In a simple electric circuit, ohm's law states that v=irv=ir, where vv is the voltage in volts, ii is the current in amperes, and rr is the resistance in ohms. assume that, as the battery wears out, the voltage decreases at 0.030.

What is the difference between magnitude and intensity

Scientists take scientific measurements carefully in order to ensure that reliability and validity. What is the difference between accuracy and precision in scientific measurements?

A plane traveled west for 4.0 hours and covered a distance of 4,400 kilometers. What was its velocity? 18,000 km/hr

For parallel and series circuits with the same resistances and voltage; the series circuit has a smaller total current. True or false?

The graph shows that the molecules in a liquid do not all have the same speed

When the air under the envelope is heated, the balloon lifts. Which of the following statements is true?

A bullet of mass 6.00g is fired horizontally into a wooden block of mass 1.20kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.160.

The graph represents the distance a car travels over time while on the highway. Which statement about the car's trip is accurate?

Energy conservation means a. slowing down a chemical change. b. burning a fuel to release energy. c. using fossil fuels to produce electricity. d. reducing energy use.