Stress will build until an earthquake occurs if friction along a fault is

Which combination of sex chromosomes results in a male human being? either XX or YY only YY only XY only XX

The bonds in compound MgSO4 can be described as

Ammonia, NH3, is widely used as a fertilizer and as an ingredient in many household cleaners. How many moles of ammonia are produced when 6 mol of hydrogen gas reacts with an excess of nitrogen gas?

Write a balanced formation equation at standard conditions for the compound HI.

The atomic number of lithium, the first element in group 1, is 3. the atomic number of the second element in this group is

Sodium (na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. after losing the electron, na will have ___ protons in its nucleus

It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45 m to 0.32 m at 25°c. how long will it take for the reaction to be 90% complete?

For a reaction, a plot of ln K versus inverse temperature is found to be linear and fits the following equation: y = - 1,498x + 7.14. What is the value of ΔH? Give your answer with units of kJ/molK; however, you should not type in the units

when methanol, ch3oh, is dissolve in water, a nonconducting solution reslults. when acetic acid, ch3cooh, diisolves in water, the solution is weakly conductng and acidic in nature.

What mass of methanol is combusted in a reaction that produces 112 L of Co2 at STP? A. 112g B. 81.6g C. 64.1g D. 160g