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Recent questions in Chemistry
The partial pressure of O₂ in air at sea level is 0.21 atm . The solubility of O₂ in water at 20⁰C , at 1 atm gas pressure, is 1.38×10⁻³ M (from Table 13.1 in your textbook). Using Henry's law and the
Leohxj
asked
Dec 20, 2024
by
Leohxj
8.2k
points
Chemistry
high-school
1
answer
5
votes
208k
views
Monoatomics and nonpolar molecules can only interact with each other through the temporary and weak intermolecular forces called ? forces or Van der Waals Forces.
Evan Cordell
asked
Dec 20, 2024
by
Evan Cordell
8.0k
points
Chemistry
high-school
1
answer
1
vote
234k
views
Intraveneous medications are aqueous solutions that are administered directly into a vein. Some medications are manufactured at a higher concentration than prescribed. For these medications, a portion
Elsammak
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Dec 20, 2024
by
Elsammak
8.1k
points
Chemistry
high-school
1
answer
3
votes
14.8k
views
If an element (abbreviated X) has a ground state electron configuration of [Ne]3s23p4, then the formula of the compound that X forms with sodium is Na2X. a) ture b) false
SimDion
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Dec 20, 2024
by
SimDion
7.8k
points
Chemistry
high-school
1
answer
0
votes
87.4k
views
Determine the number of molecules of CCl₄ contained in 70.3 g of CCl₄. A. 2.5 x 10²³ molecules B. 6.02 x 10²³ molecules C. 1.5 x 10²⁴ molecules D. 3.01 x 10²³ molecules
Janani Hariharan
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Dec 20, 2024
by
Janani Hariharan
8.3k
points
Chemistry
high-school
1
answer
0
votes
234k
views
Zinc reacts with HCl to produce hydrogen gas, H2, and ZnCl2. Zn(s) + 2 HCl(aq) --> H2(g) + ZnCl2(aq) How many liters of a 1.50 M HCl solution completely react with 5.32 g of zinc?
Pavel Yermalovich
asked
Dec 20, 2024
by
Pavel Yermalovich
7.5k
points
Chemistry
high-school
1
answer
5
votes
135k
views
How many atoms are found in a 15.5g sample of Bismuth (Bi)?
Kick
asked
Dec 20, 2024
by
Kick
8.5k
points
Chemistry
high-school
1
answer
1
vote
54.2k
views
Draw the Lewis structure for formamide (CH,NO). Formamide molecules have one carbonyl group and one amino group. Be certain you include any lone pairs. Ć 0 с D 09 ♡ $ ?
Ethan Selzer
asked
Dec 20, 2024
by
Ethan Selzer
8.0k
points
Chemistry
high-school
1
answer
3
votes
122k
views
(Show work) An Erlenmeyer flask contains a mixture of argon neon and krypton gas. what would be the total pressure if Pn=240mmhg Pne=52mmhg and Pkr= 419mmhg?
Erkan Haspulat
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Dec 20, 2024
by
Erkan Haspulat
7.9k
points
Chemistry
high-school
1
answer
5
votes
132k
views
According to Le Chateliet’s principle, what always happens to the equilibrium of a reaction when the temperature is reduced
Mdadm
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Dec 20, 2024
by
Mdadm
8.4k
points
Chemistry
high-school
1
answer
0
votes
53.3k
views
The concentration of the KHP analyte solution must be known accurately to calculate the molarity of the NaOH titrant. a. true b. false
Mitrek
asked
Dec 20, 2024
by
Mitrek
7.5k
points
Chemistry
high-school
1
answer
3
votes
35.6k
views
Two or more liquids that can dissolve into each other are referred to as? 1) dense 2) immiscible 3) miscible 4) reactive
Madhu Sudhanan
asked
Dec 20, 2024
by
Madhu Sudhanan
8.0k
points
Chemistry
high-school
1
answer
5
votes
10.9k
views
4. Complete the following unit conversions. Be sure to show all work, express your answer in the appropriate number of significant figures, and include units. a. 30.0 pm^2 to m^2
Gadi
asked
Dec 20, 2024
by
Gadi
7.8k
points
Chemistry
college
1
answer
4
votes
39.1k
views
Why is it important to understand the principle of the Iodine Test when studying chemistry, particularly in the context of Redox Titrations? a. It explains the behavior of acids and bases in titrations.
Sulla
asked
Dec 20, 2024
by
Sulla
8.1k
points
Chemistry
high-school
1
answer
0
votes
97.8k
views
What is the term used to describe the net flux of ions across the membrane when the specific intracellular and extracellular concentrations of ions are given? 1) Equilibrium potential 2) Action potential
Noel Whitemore
asked
Dec 20, 2024
by
Noel Whitemore
8.0k
points
Chemistry
high-school
1
answer
3
votes
92.8k
views
You have a pan made of aluminum with a mass of 3040 grams. You are burning gas to heat the pan from 20°C to 150°C. Calculate how much heat (in joules) would be absorbed/released during this process. How
Astaar
asked
Dec 20, 2024
by
Astaar
8.4k
points
Chemistry
high-school
1
answer
3
votes
47.1k
views
Which of the following will increase the rate of dissolution of a gas in a liquid? a decrease pressure b increase temperature c decrease agitation (30 points)
Jugal Shah
asked
Dec 20, 2024
by
Jugal Shah
8.7k
points
Chemistry
college
1
answer
3
votes
96.7k
views
What's the formula and name for Ca^2+ and N^3-? a) Formula: CaN b) Formula: Ca2N3 c) Formula: Ca3N2 d) Formula: Ca^2+ is not commonly combined with N^3-.
Haydee
asked
Dec 20, 2024
by
Haydee
8.4k
points
Chemistry
high-school
1
answer
2
votes
51.4k
views
What type of chemical reaction balances pH and results in the production of water and a salt?
Fang Liu
asked
Dec 20, 2024
by
Fang Liu
7.4k
points
Chemistry
high-school
1
answer
3
votes
212k
views
The most important reason the statement, "Rechargeable batteries are better than nonrechargeable batteries," fails as a valid scientific hypothesis is: a) It lacks specificity and measurable variables.
Md Hanif
asked
Dec 20, 2024
by
Md Hanif
8.5k
points
Chemistry
high-school
1
answer
0
votes
115k
views
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