Which set of coefficients correctly balances the following chemical equation?__ AgNO3 + ___ MgCl2 - - > ___ AgCl + ___ Mg (NO3) 2

4, 2, 4, 2

1, 2, 1, 2

2, 1, 2, 1

1, 1, 1, 1

Copper is which type of solid? molecular solid ionic solid covalent atomic solid metallic atomic solid

Scientific procedure followed to obtain results for analysis. This is also a means to test a hypothesis.

The ___ is the best part of an experiment that is not being tested and it used for comparison

A solution of H 2 SO 4 (aq) H2SO4 (aq) with a molal concentration of 8.01 m 8.01 m has a density of 1.354 g / mL. 1.354 g/mL. What is the molar concentration of this solution?

Balance these equations N2 + O2 > NO

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.

Solve for x: ln x = 0.863. Report your answer to 3 significant figures.

What water activities might be easier to do in Lake Assal's salty water? What activities could be more difficult?