When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved (a) Write the balanced equat...
When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved
(a) Write the balanced equation (including physical states) for the reaction of magnesium metal with hydrochloric acid.
(b)Calculate the volume of the H2(g) at 30.1C and 0.85 atm that can be formed when 275 mL of 0.725 HCl solution reactions with excess Mg according to the balanced equation.
Homework Answers
Add Answer to:
When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved (a) Write the balanced equat...
When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved. Calculate...
When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved. Calculate the volumeſin L) of H2(g) at 35.2°C and 646 torr that can be formed when 325 ml of 0.855 M HCl solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride Mg(s) + HCl(aq) --MgCl2(aq) + H2(g) (unbalanced) Write answer to three significant figures. Numeric Response
Aqueous hydrochloric acid reacts with magnesium to produce hydrogen gas according to the balanced equation below...
Aqueous hydrochloric acid reacts with magnesium to produce hydrogen gas according to the balanced equation below 2HCl (aq) + Mg (s) = MgCl2 (aq) + H2 (g) If 250.0 mL of 3.00 M HCl is combined with 9.92 g Mg, what volume of hydrogen gas can be produced? Assume the temperature and pressure of the gas are 25oC and 0.988 atm, respectively. ( R=0.08206 )
14. The reaction of magnesium metal with hydrochloric acid produces hydrogen gas as a product. I...
14. The reaction of magnesium metal with hydrochloric acid produces hydrogen gas as a product. I would like to collect 125 mL of hydrogen gas from the experiment. The temperature of the lab is 23.5°C and the pressure is 762 mmHg. How many grams of magnesium metal should I use if the hydrochloric acid is kept in excess? Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g)
Hydrogen gas can be produced in the laboratory through reachtion of magnesium metal with hydrochloride acid:...
Hydrogen gas can be produced in the laboratory through reachtion of magnesium metal with hydrochloride acid: Mg(s)+2HCl(aq)=MgCl2(aq)+H2(g) what volume, in liters, of H2 at 23.0 celius and 0.980 atm pressure can be produced from the reaction of 12.0 g of Mg with an excess of HCl?
Hydrogen gas production Hydrogen gas will be produced by reacting magnesium metal with aqueous hydrochloric acid....
Hydrogen gas production Hydrogen gas will be produced by reacting magnesium metal with aqueous hydrochloric acid. The products are hydrogen gas and magnesium chloride. The hydrogen gas will be collected in the gas collection apparatus, and the magnesium chloride salt will dissolve in the aqueous solution. Write a balanced equation for this reaction.
Write a balanced chemical equation for each reaction. If no reaction occurred, write "N.R."): Magnesium and...
Write a balanced chemical equation for each reaction. If no reaction occurred, write "N.R."): Magnesium and hydrochloric acid: Zine and hydrochloric acid: Copper and hydrochloric acid: 3. Metals reacting with a non-metal (oxygen); metal oxides reacting with water Write a balanced chemical equation for each reaction. Magnesium and oxygen: Calcium and oxygen What happened when magnesium oxide and calcium oxide were added to water containing phenol phthalein indicator? What differences, if any, did you observe? Turns basic Water turns Pince...
2. Write a balanced chemical reaction for the production of hydrogen gas from aluminum metal and...
2. Write a balanced chemical reaction for the production of hydrogen gas from aluminum metal and hydrochloric acid. a. What is the expected yield of hydrogen gas (in moles) if 0.06 g of aluminum metal were reacted with HCl in the experiment instead of magnesium? Assume that HCl is in excess. b. What is the expected yield of hydrogen gas (in mL) if the 0.06 g of aluminum metal were reacted with HCl in the experiment instead of magnesium?
Magnesium-aluminum alloys are commonly used in aircraft construction. When treated with acid, both metals react to form...
Magnesium-aluminum alloys are commonly used in aircraft construction. When treated with acid, both metals react to form hydrogen gas, as shown in the unbalanced chemical equations below. A 1.000 g sample of alloy produces 0.107 g of H2 (g) when reacted with excess HCl (aq). What is the percent composition by mass of Al in the alloy? Al (s) + HCl (aq) à AlCl3 (aq) + H2 (g) Mg (s) + HCl (aq) à MgCl2 (aq) + H2 (g)
In the lab, you did several experiments with magnesium metal and hydrochloric acid to produce aqueous...
In the lab, you did several experiments with magnesium metal and hydrochloric acid to produce aqueous magnesium chloride and hydrogen gas. Mg (s) + HCl (aq) ----> MgCl2 (aq) + H2 (g) balance equation Calculate q and Δ H in kJ, if 225 mg of magnesium metal are added to 100 mL aqueous hydrochloric acid initially at 25 0C. The final temperature of the mixture is 48.6 oC. Use the density and specific heat of water. (4 pts)
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2...
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2 + H2 Use the following reaction information to answer the subsequent questions. Show all of your work. 92 mm Length of Magnesium ribbon: Barometric Pressure: 762.9 mmHg Water Temperature: 29 °C Initial Gas Volume: 0.00 mL Final Gas Volume: 67.35 mL 0.7559 Mass = Length (in mm) x (1000 mm) 1. Magnesium is usually found in the laboratory as a ribbon strip. Find the...
When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved. Calculate the volumeſin L) of H2(g) at 35.2°C and 646 torr that can be formed when 325 ml of 0.855 M HCl solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride Mg(s) + HCl(aq) --MgCl2(aq) + H2(g) (unbalanced) Write answer to three significant figures. Numeric Response
14. The reaction of magnesium metal with hydrochloric acid produces hydrogen gas as a product. I would like to collect 125 mL of hydrogen gas from the experiment. The temperature of the lab is 23.5°C and the pressure is 762 mmHg. How many grams of magnesium metal should I use if the hydrochloric acid is kept in excess? Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g)
Write a balanced chemical equation for each reaction. If no reaction occurred, write "N.R."): Magnesium and hydrochloric acid: Zine and hydrochloric acid: Copper and hydrochloric acid: 3. Metals reacting with a non-metal (oxygen); metal oxides reacting with water Write a balanced chemical equation for each reaction. Magnesium and oxygen: Calcium and oxygen What happened when magnesium oxide and calcium oxide were added to water containing phenol phthalein indicator? What differences, if any, did you observe? Turns basic Water turns Pince...
2. Write a balanced chemical reaction for the production of hydrogen gas from aluminum metal and hydrochloric acid. a. What is the expected yield of hydrogen gas (in moles) if 0.06 g of aluminum metal were reacted with HCl in the experiment instead of magnesium? Assume that HCl is in excess. b. What is the expected yield of hydrogen gas (in mL) if the 0.06 g of aluminum metal were reacted with HCl in the experiment instead of magnesium?
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2 + H2 Use the following reaction information to answer the subsequent questions. Show all of your work. 92 mm Length of Magnesium ribbon: Barometric Pressure: 762.9 mmHg Water Temperature: 29 °C Initial Gas Volume: 0.00 mL Final Gas Volume: 67.35 mL 0.7559 Mass = Length (in mm) x (1000 mm) 1. Magnesium is usually found in the laboratory as a ribbon strip. Find the...
Most questions answered within 3 hours.
-
Suppose you wanted to make a buffer with pH 3.00. What chemicals
would you grab off...
asked 50 seconds ago -
Many celebrities and public figures have Twitter accounts with
large numbers of followers. However, some of...
asked 2 minutes ago -
Elemental phosphorus is produced by the reaction, 2Ca3(PO4)2
+6SiO2 +10C→6CaSiO3 +10CO+P4 Suppose that you have 7.00...
asked 1 minute ago -
A nationwide survey found that 64% of people in the
Kingdom like Berger. If 3 people...
asked 14 minutes ago -
CYTOGENETIC MAPS VS LINKAGE MAPS
how do you read and extract information from cytogenetic and
linkage...
asked 16 minutes ago -
What volume of a 0.251 M perchloric
acid solution is required to neutralize
14.6 mL of...
asked 15 minutes ago -
Amplitude=3;
fs=8000;
n=0:399;
t=0:1/fs: n*1/fs-1/fs;
signal=3+3*cos(2*pi*1100*t)+3*cos(2*pi*2200*t)+3*cos(2*pi*3300*t);
fftSignal= fft(signal);
fftSignal=f ftshift (fftSignal);
f=fs/2*linspace(-1,1,fs);
plot(f,abs(fftsignal);
xlabel('Frequency(Hz)’)
yla
asked 17 minutes ago -
Write a method called removeDuplicates that
accepts a PriorityQueue of integers as a parameter
and modifies...
asked 19 minutes ago -
What is the wavelength, in cm, of a microwave having a frequency
of 3.44 x 10^9...
asked 36 minutes ago -
A new business venture must develop a comprehensive business
plan to borrow money to get started....
asked 38 minutes ago -
Madtack Company uses a job-order costing system and started the month
of March with only one...
asked 40 minutes ago -
Describe how to distinguish true motility from brownian motion
and fluid flow when viewing a wet...
asked 44 minutes ago