Consider the reaction.

N2 (g) + 3H2 (g) - - - > 2NH3 (g)

How many grams of N2 are required to produce 100.0 L of NH3 at STP?

A. 6.25 g

B. 12.5 g

C. 62.5 g

D. 125.0 g

How are large polymers formed? by repetitive combinations of simple subunits by the addition of halogens to a small molecule by combining a few different and larger molecules by combining many different and smaller molecules

Instead of 6 M NaOH being added to the solution, 6 M HCl is added. How will this affect the test for the presence of ammonium ion in the solution? Explain.

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1.) What would happen to the rock cycle if erosion did not occur? 2.) A classmate states that igneous rock must always become sedimentary rock next, according to the rock cycle. Explain why this statement is not correct?

A salt consists of a. two or more cations only b. two or more anions only c. an anion from an acid and a cation from a base c. none of the above

Describe the law of conservation of momentum

14. What steps should you take to keep parents and the public from viewing your personal information on social networks?

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.