An element x is found to have a mass number of 31 and atomic number of 17. idenrify the group and the period to which it belongs?

What is the pressure of a mixture of nitrogen (N2) and oxygen (O2) if partial pressure of N2 is 594 mm Hg and the partial pressure of O2 is 165 mm Hg?

Assume that the scientist set up an identical respiration chamber, except that in this setup she placed a mouse that had been exercising on a hamster wheel.

Which of following increases the average kinetic energy of particles?

1.) Which of these statements correctly compares probeware (such as an electronic temperature probe) to traditional analog tools (such as a liquid-based thermometer) A) measurements by traditional analog tools are good to a larger number of

If you mix sodium chloride with cold water will it explode. True or False

What starting matirials do cells need for cellular respiration

What is the velocity of a wave with a frequency of 77 Hz and a wavelength of 200 m?

For the reaction: n2 (g) + 3h2 (g) ⇔ 2nh3 (g), at a particular temperature, the concentrations of n2, h2 and nh3 are 2.1 x 10-3 m, 3.2 x 10-2 m, and 1.8 x 10-1 m, respectively. calculate a value of k for this reaction

Empirical formula for 6. 63.52% Fe, 36.48% S

Name the term used for the configuration of a stereoisomer having R groups whose positions alternate from one side to the other side along the backbone chain.