Recent questions in Chemistry

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Ammonia chemically reacts with oxygen gas to produce nitric oxide and water . what mass of water is produced by the reaction of 4.1 g of ammonia?

Catchwa asked Oct 14, 2024

by Catchwa

8.4k points

1 answer

5 votes

23.2k views

A compound A is 63.68% carbon, 12.38% nitrogen, 9.80% hydrogen, and 14.14% oxygen. Calculate the empirical formula for compound A.

Thomas Shields asked Oct 14, 2024

by Thomas Shields

8.2k points

1 answer

3 votes

115k views

What is the current in amperes if 1200Na+ ions flow across a cell membrane in 3.1us? The charge on the sodium is the same as on an electron, but positive.

Fresh asked Oct 14, 2024

by Fresh

7.6k points

2 answers

1 vote

4.1k views

A 22.0 cm³ sample of oxygen gas expands to -78.0 cm³. If the original pressure was 570 mmHg, what is the new pressure in atm? (Round to 3 digits.)

Mneri asked Oct 14, 2024

by Mneri

8.1k points

1 answer

3 votes

31.2k views

What is the crystal structure of iron? 1) FCC 2) BCC 3) HCP 4) Cubic

Dave Kirby asked Oct 14, 2024

by Dave Kirby

8.0k points

1 answer

3 votes

126k views

Calculate the following buffer solutions. A buffer solution was made by dissolving 10.0 grams of sodium acetate in 200.0 mL of 1.00 M acetic acid. Assuming the change in volume when the sodium acetate

Gaylord asked Oct 14, 2024

by Gaylord

8.4k points

1 answer

0 votes

140k views

Ranking single, double, triple bonds in order of increasing flexibility and increasing strength: PH3, CF4, CO2, SO3, HCN, CO, H2O

Jigar Pandya asked Oct 14, 2024

by Jigar Pandya

8.7k points

1 answer

5 votes

158k views

Two samples A and B of equal mass are each placed in graduate cylinders containing 5.00 mL of water. Sample A displaces twice as much water as sample B. Which sample has the larger volume?

Simaofreitas asked Oct 14, 2024

by Simaofreitas

8.0k points

1 answer

4 votes

152k views

True or False: the director and personnel of the GDNA must be pharmacists registered in the state of Georgia

Jackhao asked Oct 14, 2024

by Jackhao

7.9k points

1 answer

2 votes

231k views

How many grams of magnesium chloride is produduced if 4 g of mg is reacted with 3.2 g hcl

Terhorst asked Oct 14, 2024

by Terhorst

8.0k points

1 answer

4 votes

136k views

Molar heat of fusion for 70gr of Cs. Temperature delta is 1.02 and molar mass of cesium is 132.91g

Import Random asked Oct 14, 2024

by Import Random

8.6k points

1 answer

4 votes

11.1k views

STEPS FOR MOIST-TO-DRY DRESSING CHANGE.

Parama Sudha asked Oct 14, 2024

by Parama Sudha

7.4k points

1 answer

0 votes

16.5k views

During Reaction 2, did the oxidation state of N change?

Tarski asked Oct 14, 2024

by Tarski

7.7k points

1 answer

5 votes

61.1k views

Use the ideal gas law to solve for the pressure (in atm) that is present in 5.6 moles of gas, at a temperature of 285 Kelvin and a volume of 20.0 liters. a. 3.3 atm b. 13 atm c. 5.6 atm d. 6.6 atm

Sovanlandy asked Oct 14, 2024

by Sovanlandy

8.6k points

1 answer

0 votes

178k views

Draw sulfur hexafluoride electron domain shape

Unmanned Player asked Oct 14, 2024

by Unmanned Player

7.9k points

1 answer

3 votes

109k views

Which of the following is FALSE about the nucleus of an atom? A. Centrally located B. Positively charged C. Mostly empty space D. Very dense

Loletech asked Oct 14, 2024

by Loletech

8.7k points

1 answer

0 votes

105k views

Compare beryllium (Be) and strontium (Sr). Which element has the higher atomic radius? a) Beryllium (Be) b) Strontium (Sr) c) They have the same atomic radius. d) Atomic radius cannot be compared for these

Adnan Rasheed asked Oct 14, 2024

by Adnan Rasheed

8.2k points

2 answers

0 votes

208k views

Reactions that remove the equivalent of a water molecule when subunits are joined to make a larger molecule are called: A. Hydrolysis B. Condensation C. Dehydration D. Dissociation

Artur Vartanyan asked Oct 14, 2024

by Artur Vartanyan

8.3k points

1 answer

3 votes

23.6k views

Would a rock with a mass of 6 grams have greater thermal energy than a rock with a mass of 7 grams?

Daily asked Oct 14, 2024

by Daily

7.4k points

1 answer

2 votes

177k views

Some air is trapped inside a small balloon. The average kinetic energy of the air molecules in the balloon is increased. What remains the same? A) the density of the air in the balloon B) the mass of the

Bill Woodger asked Oct 14, 2024

by Bill Woodger

8.0k points

1 answer

0 votes

129k views

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