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Recent questions in Chemistry
A solvent with a structure similar to that of the solute will _______ more solute than will solvents with dissimilar structures. A) Precipitate B) Dissolve C) Stabilize D) Denature
Mangesh Auti
asked
Oct 15, 2024
by
Mangesh Auti
8.4k
points
Chemistry
high-school
1
answer
2
votes
303
views
What is the minimum number of colors you need to color all the shapes below so that no adjacent shapes have the same color? a) 2 b) 3 c) 4 d) 5
Jayabal
asked
Oct 15, 2024
by
Jayabal
8.2k
points
Chemistry
high-school
1
answer
2
votes
170k
views
The two isotopes of hydrogen, tritium and deuterium are used in nuclear weapons. A. True B. False
Mohangraj
asked
Oct 15, 2024
by
Mohangraj
8.3k
points
Chemistry
high-school
1
answer
4
votes
109k
views
If 30.34 mL of a 0.135 M solution of hydrochloric acid (HCl) were required to neutralize 25.00 mL of a calcium hydroxide (Ca(OH)2) solution, the molarity of the calcium hydroxide solution is 0.101 M.
Patrick Wright
asked
Oct 15, 2024
by
Patrick Wright
8.1k
points
Chemistry
high-school
2
answers
1
vote
67.1k
views
A 12.63 g sample contains only ethylene glycol (C₂H₆O₂) and propylene glycol (C₃H₈O₂). When the sample is added to 104.0 g of pure water, the resulting solution has a freezing point of -3.40 ∘C. What was
Sungl
asked
Oct 15, 2024
by
Sungl
7.9k
points
Chemistry
high-school
1
answer
3
votes
46.0k
views
Which of the following best represents the relationship between the pH of water, vinegar, and ammonia? 1) The pH of water is higher than the pH of vinegar and ammonia 2) The pH of vinegar is higher than
Subdigger
asked
Oct 15, 2024
by
Subdigger
7.5k
points
Chemistry
high-school
1
answer
3
votes
24.2k
views
Endothermic and Exothermic Activity For this assignment, you will create your own potential energy diagrams for each of the three chemical reactions. Then you will analyze the data and your diagrams for
Myth Rush
asked
Oct 15, 2024
by
Myth Rush
7.7k
points
Chemistry
high-school
1
answer
1
vote
16.6k
views
The ammonium ion has the formula NH4+. How many electrons must be shown in the Lewis structure of the ammonium ion? a. 4 b. 5 c. 8 d. 9
Aweeeezy
asked
Oct 15, 2024
by
Aweeeezy
8.5k
points
Chemistry
high-school
1
answer
4
votes
199k
views
Consider the following intermediate chemical equations. C(5)+ O₂(g) → CO(g) CO(g)+ O₂(g) → CO₂(g) How will oxygen appear in the final chemical equation? a) O₂(g) as a product b) O₂(g) as a reactant c)
Keymap
asked
Oct 15, 2024
by
Keymap
7.3k
points
Chemistry
high-school
1
answer
5
votes
167k
views
Identify the necessary parts to build a calorimeter. Select one or more:1) An exterior styrofoam cup2) An interior styrofoam cup 3)An interior paper cup 4)An exterior paper cup 5)Thermometer Cover 6)Conductivity
Rheisen
asked
Oct 15, 2024
by
Rheisen
7.9k
points
Chemistry
high-school
1
answer
2
votes
192k
views
How much rubidium would it take to equal the pressure wave of a standard hand grenade? a. 50 grams b. 100 grams c. 500 grams d. 1000 grams
Eason Kang
asked
Oct 15, 2024
by
Eason Kang
7.6k
points
Chemistry
high-school
1
answer
0
votes
29.1k
views
Calculate the pH and pOH of the following solutions: a. stomach acid in which [HCl] = 0.155 M
MaxThom
asked
Oct 15, 2024
by
MaxThom
8.0k
points
Chemistry
high-school
1
answer
4
votes
219k
views
An sp hybridized central carbon atom with no lone pairs of electrons has what type of bonding? A) 1 pi and 2 sigma bonds D) 3 pi and 2 sigma bonds B) 1 pi and 3 sigma bonds E) 0 pi and 4 sigma bonds C)
FabienP
asked
Oct 15, 2024
by
FabienP
8.5k
points
Chemistry
high-school
1
answer
2
votes
167k
views
A balloon contains 0.76 mol N₂, 0.18 mol O₂, 0.031 mol He, and 0.026 mol H₂. What is the total pressure of the mixture if the partial pressure of O₂ is 140 mmHg? (R = 0.08206, 1 atm = 760 mmHg)
Mayuko
asked
Oct 15, 2024
by
Mayuko
8.9k
points
Chemistry
high-school
1
answer
1
vote
52.5k
views
The ocean layers are classified by differences in temperature, air pressure, and density. True False
Jvkloc
asked
Oct 15, 2024
by
Jvkloc
7.6k
points
Chemistry
high-school
1
answer
2
votes
110k
views
If I had a quantity of this substance at a pressure of 0.75 atm and a temperature of -1000 C, what phase change(s) would occur if I increased the temperature to 6000 C? At what temperature(s) would they
Ivan Smirnov
asked
Oct 15, 2024
by
Ivan Smirnov
7.8k
points
Chemistry
high-school
1
answer
4
votes
111k
views
Gas pressure inside a new spray paint can is— the air pressure outside the can.A. greater than, B. less than,C.equal to
Dariusriggins
asked
Oct 15, 2024
by
Dariusriggins
7.5k
points
Chemistry
high-school
1
answer
5
votes
43.9k
views
A buffer solution consists of a 1.00 L aqueous solution containing 0.0080 mol of benzoic acid and 0.0080 mol of sodium benzoate. Establish the pH region for this buffer solution at 25 °C. (Note: K = 6.
Zgore
asked
Oct 15, 2024
by
Zgore
7.8k
points
Chemistry
high-school
1
answer
4
votes
20.7k
views
Which of the following choices is NOT a representative particle? a. Molecule b. Anion c. Electron d. Atom
Maninekkalapudi
asked
Oct 15, 2024
by
Maninekkalapudi
7.9k
points
Chemistry
high-school
1
answer
4
votes
34.6k
views
Do you have more gravity when your on the ground or in the air
MirkoBanchi
asked
Oct 15, 2024
by
MirkoBanchi
8.5k
points
Chemistry
high-school
1
answer
0
votes
179k
views
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