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Recent questions in Chemistry
Calculate to the correct number of significant figure (1.7x10^6)/(2.63x10^2) + 7.33 =
Dgrant
asked
Dec 19, 2024
by
Dgrant
8.5k
points
Chemistry
college
1
answer
5
votes
209k
views
Find the volume in milliliters of 3.00 mol of an ideal gas at 32°c and a pressure of 1110 torr.
Rajagopalx
asked
Dec 19, 2024
by
Rajagopalx
8.1k
points
Chemistry
high-school
1
answer
2
votes
67.0k
views
ESPECIALLY WHEN DRIFT DIVING, IT'S IMPORTANT TO NEVER ENTER THE WATER FROM A BOAT UNTIL SIGNALED BY THE CREW TO DO SO. TRUE/FALSE
Jojonas
asked
Dec 19, 2024
by
Jojonas
8.2k
points
Chemistry
high-school
1
answer
4
votes
175k
views
What is the mass-volume percent of a solution made by dissolving 89.95 g of NaOH in enough water to make 250.0 mL of solution?
Glicerico
asked
Dec 19, 2024
by
Glicerico
8.0k
points
Chemistry
high-school
1
answer
3
votes
220k
views
A chemical reaction takes place in a container with a cross-sectional area of 1 m2 . As a result of the reaction, which generates gas molecules, a piston is pushed out 500 cm against a constant external
Peterfoldi
asked
Dec 19, 2024
by
Peterfoldi
8.2k
points
Chemistry
high-school
1
answer
5
votes
68.2k
views
If 4.0 mil N2 reacts, how many miles of NH3 will be produced?
Loosecannon
asked
Dec 19, 2024
by
Loosecannon
7.9k
points
Chemistry
high-school
1
answer
3
votes
108k
views
Which of the following atoms can expand its valence shell when bonding? Select all that apply. A) Hydrogen (H) B) Chlorine (Cl) C) Phosphorus (P) D) Sulfur (S)
Petr Hejda
asked
Dec 19, 2024
by
Petr Hejda
8.4k
points
Chemistry
high-school
1
answer
1
vote
142k
views
A solution of substance A with an unknown concentration was found to have an absorbance of 0.325. What is the concentration of Substance A in the solution? a) 0.325 M b) It cannot be determined with the
Gaynelle
asked
Dec 19, 2024
by
Gaynelle
7.6k
points
Chemistry
high-school
1
answer
2
votes
183k
views
What is the Bronsted-Lowry theory of acids and bases also known as? A) The Solvent Theory B) The Electrolyte Theory C) The Proton Theory D) The Lewis Theory
MatBos
asked
Dec 19, 2024
by
MatBos
7.7k
points
Chemistry
high-school
1
answer
1
vote
60.6k
views
Explain how the water and nitrogen cycles can work together in contributing to an algal bloom in he ocean.
Covati
asked
Dec 19, 2024
by
Covati
8.4k
points
Chemistry
high-school
1
answer
4
votes
126k
views
A sample of 9.05 g of liquid 1‑propanol, C3H8O, is combusted with 60.1 g of oxygen gas. Carbon dioxide and water are the products. Write the balanced chemical equation for the reaction. Physical states
Thedjpetersen
asked
Dec 19, 2024
by
Thedjpetersen
7.7k
points
Chemistry
high-school
1
answer
4
votes
58.2k
views
Assuming that a lithium atom is spherical, calculate its volume in cm³. The volume of a sphere is given by V = (4/3)πr³. The radius of a lithium atom is 1.52 Å. 1 Å = 10⁻8 cm, and π = 3.14. a. 7.24 × 10⁻24
Sharee
asked
Dec 19, 2024
by
Sharee
9.0k
points
Chemistry
high-school
1
answer
2
votes
212k
views
Study this chemical reaction: Cu + Cl2 → CuCl2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction oxidation: reduction: ク
Berkayln
asked
Dec 19, 2024
by
Berkayln
8.3k
points
Chemistry
high-school
2
answers
4
votes
7.0k
views
Draw the conjugate base for the acid, HC≡CH. Draw all hydrogens. Remember to include charges and non-bonding electrons where necessary.
Amrit Sidhu
asked
Dec 19, 2024
by
Amrit Sidhu
7.9k
points
Chemistry
high-school
1
answer
4
votes
131k
views
A 0.18 mole sample of nitrogen gas occupies a volume of 2.75 l. what is the volume of 0.33 mol of nitrogen gas under the same conditions?
Lordmegamax
asked
Dec 19, 2024
by
Lordmegamax
8.2k
points
Chemistry
high-school
1
answer
3
votes
152k
views
The chemical equation shown above represents a thermite reaction
Cagdas
asked
Dec 19, 2024
by
Cagdas
7.9k
points
Chemistry
high-school
1
answer
3
votes
217k
views
Before fermentation, the milled and mashed agave is slow cooked over moderate heat in order to: 1) covert the inulin polymer into fermentable fructose and glucose 2) begin the fermentation process of the
K Kafara
asked
Dec 19, 2024
by
K Kafara
8.0k
points
Chemistry
high-school
1
answer
4
votes
140k
views
Chloroacetic acid, ClCH2COOH, is a weak acid with a pKa of +2.86. (a) Write the balanced chemical equation that will have an equilibrium constant that is equal to Ka. Option 1: ClCH2COOH ⇌ ClCH2COO- +
Andrew Kalashnikov
asked
Dec 19, 2024
by
Andrew Kalashnikov
8.9k
points
Chemistry
high-school
2
answers
0
votes
104k
views
The noble gases are extremely inert and are the most stable of all the elements. Why do these prop- erties make them noble? A They have sixteen valence electrons. B They have given up all their valence
Angeant
asked
Dec 19, 2024
by
Angeant
8.2k
points
Chemistry
college
1
answer
0
votes
220k
views
____________________ viewed thin slices of cork and called them cells
Pupot
asked
Dec 19, 2024
by
Pupot
8.3k
points
Chemistry
high-school
1
answer
4
votes
52.7k
views
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