Could you please answer these questions ! 1. A student determines the density of

Question

Could you please answer these questions !
1. A student determines the density of argon following the same urements: 1) mas o ofaurements: 1) mass of and cork ring, to determine the density of air. She makes the folloWang fied syringe empty syringe and cork ring, 60.237 g: 2) mass 60.311 g: 3) volume data or gas in syringe: 42.0 mL. Determine the density of argon from this s selectively removed from air by reaction with iron. Nitrogen does not react with iron. Indeed, nitrogen is unreactive towards most elements. Neverthe does react with textbook, identify three reactions. some elements but not at room temperature. With the aid of your elements that nitrogen reacts with and the products of these 3. I n your own words, explain what is meant by the phrase limiting reactant. 4. The reaction between silicon tetrachloride, SiCl, and magnesium produces silicon and magnesium chloride a. Write a balanced equation that corresponds to this reaction. b Calculate the moles of Si that can form from the reaction of 60.0 g of SiCl according to the balanced equation. Calculate the moles of Si that can form from the reaction of 18.0 g of Mg according to the balanced equation. c. d. From the quantities of SiCl, and magnesium specified in parts b and c, which reactant is the limiting reactant?

Explanation / Answer

Ans 1:

the mass of argon = total mass of argon , syringe and cork - mass of syringe and cork

= 60.311 - 60.237

= 0.074 g

Density = mass / volume

So putting all the values we get :

= 0.074 / 42.0

= 0.00176 g/mL

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