Are the following physical or chemical changes?

1. Weathering:

2. Deposition:

3. Metamorphism:

4. Melting:

A cylinder 1.00m tall with inside diameter 0.120 m is used to hold propane gas (molar mass 44.1 g/mol) for use in a barbecue. It is initially filled in with gas until the gauge pressure is 1.30 x 10^6 Pa and the temperature is 22 degree Celsius.

Ismarelda has enough money to purchase 27 bottles of root beer for her party at her home she is expecting 4 guests.

What causes winds to form?

Match the glacier feature with its description. A. (Kettles) Holes left by glaciers B. (Drumlins) Egg-shaped hills C. (Erratics) Three-sided valleys D. (Cirques) Large, out-of-place boulders

A beam of white light goes from air into water at an incident angle of 61.0. At what angles are the red (660 nm) and blue (470 nm) parts of the answer to at least one decimal place.) red 41.07 blue 40.686

Since you've determined that the power supply is a 700W dual rail, what does that make the maximum output power?

A 2 m length of an aluminum pipe of 240 mm outer diameter and 10 mm wall thickness is used as a short column to carry a 640? centric axial load. Knowing that? = 73? P? and? = 0.

A python can detect thermal radiation from objects that differ in temperature from their environment as long as the received intensity of thermal radiation is greater than 0.60 W/m2. Your body emits a good deal of thermal radiation.

A planet has a mass of about 6.4 x 1023 kg, and its moon has a mass of about 9.6 x 1015 kg. if the magnitude of the gravitational force between the two bodies is 4.6 x 1015 n, how far apart are the planet and its moon? a. 9.4 x 106 c. 4.6 x 109 b. 2.

Is burning a nonrenewable natural gas a chemical change