In the troposphere, temperature decreases with height at an average rate of 6.5°C/km. If temperature at 2.5 km altitude is 7.0°C, what is the temperature at 5.5 km altitude?

A sample of iron has more mass and feels heavier than the sample of gold. Does this mean that the density of iron is greater?

Arsenic and bismuth are similar in that they both

Sodium benzoate is a food preservative what are its formula and its solubility in water

What is the correct name of 2-Isopropyl-2-methylpentane

Which part of the human body controls the nervous system? a. nerves b. brain c. spinal cord d. eye

Which property below is not a general property of metals: A. Ductile C. Malleable B. Poor conductor of heat D. High luster

Calculate the number of particles (atoms or molecules) of the following: 1. How many molecules are there in 24 grams of FeF3? 2. How many molecules are there in 450 grams of Na2SO4? 3. How many grams are there in 2.3 x 1024 atoms of silver?

Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When calcium carbonate decomposes, calcium oxide and carbon dioxide are formed.

What is the atomic number of magnesium?

Explain how earth plates and lithosphere are related