For the reaction NH4Cl (s) →NH3 (g) + HCl (g) at 25°C, ΔH = 176 kJ/moland ΔS = 0.285 kJ / (mol - K).

What is the ΔG, and will this reaction be spontaneous in the forward direction?

169 kJ/mol; no

91 kJ/mol; no

91 kJ/mol; yes

-91 kJ/mol; yes

Only 235u can be used as fuel in a nuclear reactor, so uranium for use in the nuclear industry must be enriched in this isotope. if a sample of enriched uranium has an average atomic mass of 237.482 amu, what percentage of 235u is present?

The term for the "family" of organic compounds that is soluble in organic solvents but not in water is:

A 1.59-g sample of a metal chloride, mcl2, is dissolved in water and treated with excess aqueous silver nitrate. the silver chloride that formed weighed 3.60 g. calculate the molar mass of m.

When 7.0 mol Al react with 8.5 mol HCl, what is the limiting reactant and how many moles of AlCl3 can be formed? 2 Al + 6 HCl yields 2 AlCl3 + 3 H2 Al is the limiting reactant; 7.0 mol AlCl3 can be formed HCl is the limiting reactant; 2.

Cryosphere definition earth science

A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity

How can a neutral atom become a positively-charged particle?