Approximately how many elements are represented on the periodic table?

The gravitational strength on Earth is less than the gravitational strength on Jupiter. What will happen to a satellite when it travels from Earth to Jupiter?

Determine the pressure change when a constant volume of gas at 1.00 atm is heated from 20C to 30C

How many different elements have scientists discovered? 12, 112, 118, or more than 500?

Which structures are found in both prokaryotic cells and eukaryotic cells? Choose all answers that are correct. A. cytoplasm B. flagella C. pili D. plasma membrane E. ribosomes

How many significant figures are in 235.5

Which elements properties form the basis for all life

A 2.0 L flexible container holds 5.0 moles of oxygen (O2) gas. An additional 15.0 moles of nitrogen gas (N2) is added to the container. What is the new volume of the container? a. 8.0 L b. 0.13 L c. 0.50 L d. 6.0L

How are complete ionic and net ionic equations written for chemical reactions in aqueous solutions

Only producers perform ... A) photosynthesis B) respiration C) both A & B D) neither A or B

A steel cylinder containing 25 kg of CCl2F2 in the form of liquid and vapor is set outdoors on a warm day 25 degrees celsius. What is the approximate pressure of the vapor in the cylinder?