When 5.6 grams of NaCl are dissolved in enough water to create a 125-gram solution, what is the solution's concentration, expressed as a percent by mass?

Is the haber process for the industrial synthesis of ammonia spontaneous or nonspontaneous under standard conditions at 25 ∘c? n2 (g) + 3h2 (g) →2nh3 (g) δh∘=-92.2 kj; δs∘=-199 j/k?

What is the mass percent concentration of solution containing 30 g kcl and 160 of water assume a density of 1.00g/ml for water?

1. in the 1930s windmills were widely used to generate electricity on most farms in the united states which kind of energy resource is used in windmills? A. recyclable energy B. nonrenewable energy C. renewable energy D. potential energy 2.

How many grams would you have if you had 1.8 moles of aluminum bromide, AlBrz? Round your answer to two decimal places.

State the law of conservation of mass. Then apply the law to this question: What would be the total mass of the products of a reaction in which 25 grams of table salt (Sodium chloride) decomposes into the elements sodium and chlorine?

How is the ocean important to human survival? restate the question

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

What ecosystem is being described in the passage?

In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction? a.

How do acids and bases affect the quality of freshwater sources?