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QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of...
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) – MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
QUESTION 1 Consider the following chemical reaction: NaHCO3(aq) + HBr(aq) — Na Br(aq) + H2O(l) + CO2(g) Which of the following changes will decrease the rate of this reaction? O Decreasing the concentration of hydrobromic acid (HBr). Adding more sodium bicarbonate (NaHCO3). 0 Removing some sodium bromide (NaBr). o Decreasing the pressure of carbon dioxide (CO2). Increasing the temperature,
Question 16 In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) How many moles of hydrogen are produced if 10 moles of HCI react?
Consider the following reaction, which of the following changes will produce more H2(g)? Select ALL that apply. HCl(aq) + Mg(s) = 2 MgCl2(aq) + H2(8) AH<0 Increasing the amount of HCl(aq) Increasing the temperature Removing H2(g) as it is formed Increasing the amount of Mg(s) Increasing the pressure of the container
Using the equation: Mg(s) + 2HCl(aq) ———> H2(g) + MgCl2(aq), complete the worksheet. Prelab Questions . A student following the procedures in this lab exercise collected the following data: mass Mg, g 0.0243 initial syringe volume, mi 0.8 final syringe volume, ml 26.3 barometric pressure, tor 748 temperature, K 293.5 Calculate the value of the universal gas constant, R. 2. What would be the volume of hydrogen gas produced by the reaction of 0.100 g of magnesium metal, collected at...
Using the equation: Mg(s) + 2HCl(aq)——> H2(g) + MgCl2(aq) complete the prelab. Prelab Questions 1. A student following the procedures in this b i collected the following data mass Mg. 0.0243 initial syringe volume, ml 0.8 final syringe volume, ml barometric pressure, torr temperature, 293.5 Calculate the value of the universal gas constant, R. 26.3 748 2. What would be the volume of hydrogen pas produced by the reaction of 0.100 g of magnesium metal, collected at 750 torr and...
In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) What evidence of reaction would you see based on this balanced reaction? The solution cools down Solid formation Bubbles form in solution A color change In the lab, a student measures a teaspoon of an unknown liquid. The teaspoon of liquid has a mass of 6.84 g and a volume of 4.48 ml. How many teaspoons would be in 1.77 kg of this unknown...
Question 1 Glucose metabolism can be represented by the following chemical reaction: C6H12O6(aq)+6O2(g)6CO2(g)+6H2O(l) H for the reaction is -2837 kJ/mole. Is this reaction endothermic or exothermic? Write an expression for the equilibrium constant for this reaction. Given that the value of the equilibrium constant is very large, would you expect this reaction to be fast or slow? Explain the effect on equilibrium of Increasing temperature Increasing pressure by decreasing the volume Decreasing concentration of oxygen Increasing the concentration of...
Consider the reaction H2(g) + Cl2(g) ⇌ 2HCl(g) which of the following stresses will cause the reaction shift in the forward direction? a. decreasing the pressure b. removing some HCl(g) c. increasing the pressure d. removing some H2(g) Consider the reaction N2(g)+2O2(g)→2NO2(g), which stress will cause the reaction shift to the left a. increasing the pressure b. removing some NO2(g) c. adding a catalyst d. decreasing the pressure Phenolphthalein is an indicator with a pH range from 8.3 to 10.0....