Jus Magnesium reacts with HCl(aq) to produce hydrogen gas. When a student collected the hydrogen from...
In an experiment, magnesium metal was dissolved in HCl and hydrogen gas was collected in an eudiometer. The hydrogen gas was mixed with water vapor. The mixture has a total pressure of 757 torrtorr , and the water vapor has a partial pressure of 23 torrtorr . What amount (in moles) of hydrogen gas is contained in 1.61 LL of this mixture at 298 KK? Express the amount in moles to three significant figures.
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A student performed an experiment in which they collected hydrogen gas from the reaction of magnesium with hydrochloric acid using the same apparatus that you will be using in today's lab. The reaction is: Mg(s) + 2 HCl(aq) → H2(g) + MgCl2 (aq) The data they collected are shown below: Mass of Mg Volume of HCI Volume of H2 collected Temperature of H2 collected Barometric pressure 0.100 g 10 mL 57.5 mL 22 °C 29.94 in Hg a. Barometric...
A student performed an experiment in which hydrogen gas was collected over water from the reaction of magnesium and hydrochloric acid using the apparatus shown and accoridng to the reaction equation and the data collected shown below: Mass of Mg 0.100 g Volume of HCl 10 mL Volume of H2 collected 57.5 mL Temperature of H2 collected 22.0 oC Barometric pressure 29.94 inHg Mg(s) + 2 HCl(aq) → H2(g) + MgCl2(aq) a. Barometric pressure in atmospheres? b. Water vapor pressure...
Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) How many grams of magnesium are needed to prepare 6.90 L of H2 at 775 mmHg and 20 ∘C?
Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g) In an experiment, 201 mL of wet H2 is collected over water at 27 °C with a total pressure of the water-hydrogen mixture of 748 torr. The vapor pressure of water at 27 °C is 26.74 torr. How many grams of Zn have been consumed? 385 3.85 × 105 0.507 4.28 × 106 507
2) Hydrogen gas is produced when aluminum reacts with hydrochloric acid: Al(s) + HCl(aq) AlCl3(aq) + H2(g) [Unbalanced] - If 940.1 mL of wet hydrogen is collected over water at 23.7 °C and a barometric pressure of 748.69 torr, how many grams of Al have been consumed? (The vapor pressure of water at 23.7 °C is 21.98 mmHg) 3) Follow auf bau principle for the questions below. Formatting must be done correctly. a) Type the complete electron configuration of Rb...
Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H2SO4(aq) → Zn (aq) + H2 (g) In an experiment, 177 mL of wet H2 is collected over water at 27 °C and a barometric pressure of 766 torr. The vapor pressure of water at 27 °C is 26.74 torr. The partial pressure of hydrogen in this experiment is ________ atm.
Calculate the amount of gas produced when collected by water displacement. Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas: 2Al(s) + 2NaOH(aq) + 6H2O(1) 2NaAl(OH)4(aq) + 3H2(g) In one experiment, a sample of Al reacts and the gas produced is collected by water displacement. The gas sample has a temperature of 23.00 °C, a volume of 860.0 mL, and a pressure of 747.0 mm Hg. Calculate the amount (in moles) of hydrogen gas produced in the reaction. The...
Collecting Gas over water
Sodium metal reacts with water to produce hydrogen gas according to the following equation: 2Na(s) + 2H20(1)—>2NaOH(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 25 °C and a pressure of 746 mm Hg. If the wet H2 gas formed occupies a volume of 7.28 L, the number of grams of H, formed is g. The vapor pressure of water is 23.8 mm Hg at 25 °C.
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H20(1)—2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 746 mm Hg. If the wet H2 gas formed occupies a volume of 7.58 L, the number of grams of H2 formed is g. The vapor pressure of water is 17.5 mm Hg at 20 °C. ONLAYN