If gold gets hot enough, it will melt. What type of change is this? A. physical only B. chemical only C. physical and chemical

About 80 percent of all chemical compounds on earth contain carbon. why is carbon found in so many compounds?

Which is the larger change in temperature 1 Kelvin or 1 degree Celsius

A 40kg animal is being pulled in a wagon on a level surface with an applied force of 800N at 16 degrees below the horizontal. If the kinetic friction is 600N, how fast does the object accelerate?

At a distance of 0.220 cm from the axis of a very long charged conducting cylinder with radius 0.100cm, the electric field is 490 N/C. What is the electric field 0.616 cm from the axis of the cylinder?

What is a chemical combination of substances A) a compound B) an atom C) a mixture D) an element

Identify characteristics of objective personality tests. -self-report -scientific -paper-and-pencil -questions about behavior -objective -potentially biased answers Multiple Choice-Psychology

The Pony Express was a mail delivery system in the Old West that used a series of men on horseback to deliver mail from St. Joseph, MO to Sacramento, CA along a trail that was 2000 miles long.

In the virtual lab, calculations were made of the predicted diffraction angle, using the formula θ ≈ StartFraction lambda over L EndFraction.

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks