A first-order reaction has a rate constant of 0.241/min. if the initial concentration of a is 0.859 m, what is the concentration of a after 10.0 minutes?

An 880n box is pushed across a level floor for a distance of 5.0m with a force of 440n. how much work was done on the box

Describe the magnetic field when two unlike magnet poles are close together

Two speakers hang from racks placed in an open field. When sound of the same frequency comes from both speakers, no sound is heard in some locations. The sound is loud in other places at about the same distance from the speakers. Explain.

The international governing body for badminton is the

How long until you can swim after a belly button piercing?

In the chemical reaction in which carbon, hydrogen and oxygen absorb heat and combine to form carbon dioxide and water which of the following is considered to be a reactant? A. heat B. water C. oxygen D. carbon dioxide

A box is at rest on a table. What can you say about the forces acting on the box? The upward ___ and the downward___ are balanced Applied force Frictional force Normal force Drag force Gravitational force Tension

When the sun warms the sidewalk on a hot sunny day, what type of energy conversion occurs?

Which statements about acceleration are true? Check all that apply. A. is the symbol used for acceleration. B. The SI units for acceleration are m/s. C. Acceleration is a scalar quantity. D. Acceleration is calculated with the equation.

What is the acceleration due to gravity on Mars? a. 9.8 m/s2 c. 12.2 m/s 2 b. 3.7 m/s2 d. 0.3 m/s2