Recent questions in Chemistry

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Write a chemical equation for the dissociation of each of the following acids and bases in water, also identify the conjugate acid (CA) and conjugate base (CB) a. Nitric acid b. Ammonia

DNorthrup asked Oct 3, 2024

by DNorthrup

7.8k points

1 answer

5 votes

153k views

Which contaminate is potentially harmful at the lowest concentration

Dijalma Silva asked Oct 3, 2024

by Dijalma Silva

8.1k points

1 answer

1 vote

78.6k views

The order is to infuse 1grams/hr of 50% magnesium sulfate. The solution available is 25 grams of 50% magnesium sulfate in 250 mLD5 W. What flow rate in mL/hr would be needed to administer the required

Napseis asked Oct 3, 2024

by Napseis

8.5k points

1 answer

5 votes

101k views

What can EXCESSIVE AMOUNTS of SALT INCREASE? (Use salt in moderation) (Recommendations for North Americans)

Altro asked Oct 3, 2024

by Altro

8.6k points

1 answer

2 votes

44.7k views

Chemicals produced within the brain as a reaction to severe pain or intense exercise are _______. a. exogenous b. placebos c. endogenous d. endorphins

Bdetweiler asked Oct 3, 2024

by Bdetweiler

7.8k points

1 answer

4 votes

76.4k views

How does Aron react to the ant pile? 1) He jumps on it 2) He runs away 3) He ignores it 4) He calls for help

Matanco asked Oct 3, 2024

by Matanco

8.1k points

1 answer

1 vote

128k views

The mass number is used to calculate the number of___________ in one atom of an element. In order to calculate the number of neutrons you must subtract the ______________________ from the________

Nilesh Khisadiya asked Oct 3, 2024

by Nilesh Khisadiya

8.2k points

1 answer

3 votes

165k views

Mention one osmotic diuretic

Tabrej Khan asked Oct 3, 2024

by Tabrej Khan

8.7k points

1 answer

5 votes

217k views

Label the acid, base, and ionic compound in this equation: HCl (aq) + NaOH (aq) → NaCl (aq) + H₂O

Gaurav Navgire asked Oct 3, 2024

by Gaurav Navgire

7.5k points

1 answer

1 vote

58.0k views

what mass of uranium contains the same number of atoms as 25.0 g of potassium (can you the work please)

Nikhil Gupte asked Oct 3, 2024

by Nikhil Gupte

8.3k points

1 answer

5 votes

101k views

Industrial chemists have to understand the chemistry of oxides. For example, silicon dioxide is used in glass making and carbon monoxide is used in the extraction of iron from iron ore. Period 3 elements

Fraxool asked Oct 3, 2024

by Fraxool

8.1k points

1 answer

5 votes

63.3k views

Calculate the root mean square (rms) average speed of the atoms in a sample of krypton gas at 0.14atm and −13.°C. Round your answer to 3 significant digits.

Alejandro Galera asked Oct 3, 2024

by Alejandro Galera

8.7k points

1 answer

3 votes

183k views

Draw a lewis structure of n-methylacetamide.

Leah Wasser asked Oct 3, 2024

by Leah Wasser

8.4k points

1 answer

3 votes

149k views

Please help!! S + 6 HNO3 --> H₂SO4 + 6 NO₂ + 2H₂O In the above equation how many moles of water can be made when 158.3 grams of HNO3 are consumed? Round your answer to the nearest tenth. If you answer

YASH DAVE asked Oct 3, 2024

by YASH DAVE

7.9k points

1 answer

0 votes

32.5k views

Based on the balanced chemical equation shown below, what volume of 0.250 M K2S₂O₃(aq) is needed to completely react with 24.88 mL of 0.125 M KI3(aq), according to the chemical equation: 2 S₂O₃²-(aq) +

LeandreM asked Oct 3, 2024

by LeandreM

7.5k points

1 answer

1 vote

23.9k views

Sample of oxygen occupies 3.60 liters at a pressure of 1.00 atm

Vickyqiu asked Oct 3, 2024

by Vickyqiu

9.0k points

1 answer

5 votes

23.7k views

Darielis brought an unknown substance from underground back to the science lab. The substance was in the gas phase, and was put into a sealed tank as shown above Dartelis slowed down the molecules inside

Bill Parker asked Oct 3, 2024

by Bill Parker

8.0k points

1 answer

3 votes

170k views

What do you think would happen to red blood cells in a 0.3 M NaCl solution? a) Hemolysis b) Crenation c) Swelling d) No change

Byzantian asked Oct 3, 2024

by Byzantian

7.8k points

1 answer

0 votes

9.4k views

Verify the following chemical equation is balanced N₂ + 3H₂ → 2NH₃ Given 68.5 grams of nitrogen, how many moles of nitrogen are present? a. 2.44 b. 68.5 c. 28.02 d. 4.89

Bhelm asked Oct 3, 2024

by Bhelm

7.5k points

1 answer

0 votes

119k views

In order to determine the rate law for the decomposition of hydrogen peroxide, a student collected pressure versus time measurements as the hydrogen peroxide decomposed with the addition of Kl. The following

Art Taylor asked Oct 3, 2024

by Art Taylor

8.0k points

1 answer

1 vote

188k views

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