According to the law of conversations of mass

A student uses 150 N to push a block of wood up a ramp at constant velocity of 2.6m/s. What is his power output?

A 19.0 g sample of liquid methane is heated at a constant pressure of 1 atm from a temperature of 109.1 K to a temperature of 185.3 K. How much energy in kJ is required?

Which of the following is used to measure weight? Newtons Liters Kilograms Meters

The kinetic energy of an object depends on both the objects mass and velocity. a. True b. False

Which of the following best describes a magnetic field? a region around a magnet in which you can measure magnetic forces. a measure of the length of a magnet. the force that pushes two magnets away from each other.

The chemical combination of two or more different atoms in fixed amounts is called a (n) element. compound. orbit. mixture.

Use each of the following terms in a separate sentence. 1. Thermal energy 2. First law of thermodynamics 3. Temperature 4. Specific heat

Describe how to prepare a 10.0% w/v solution of salt in water in a 100 mL volumetric flask

what is the mass of an object that is moving at an acceleration of 25 m/s squared with a force of 20 N

A janitor comes across a spilled substance on the floor of a highschool chemistry lab. he wants to make sure that the liquid is neutral before cleaning it up. what would be safest to add to the puddle? a. pour on a base b. pour on a buffer c.