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Recent questions in Chemistry
Mnemonic for Very Long Chain FA Carbon's? A) "MAD FAN" B) "SCRAM V" C) "CAMS DE" D) "SCAD MAD"
Baloan
asked
Oct 3, 2024
by
Baloan
8.0k
points
Chemistry
high-school
1
answer
4
votes
77.3k
views
Compared to the energy released per gram during a typical chemical reaction, which of the following best describes the amount of energy released per gram during the decay of a radioisotope? 1) The same
Mohsenme
asked
Oct 3, 2024
by
Mohsenme
8.6k
points
Chemistry
high-school
1
answer
0
votes
113k
views
What is the acceleration acquired by an object that has a mass of 50kg and is pushed with a force of 20N.
Jipumarino
asked
Oct 3, 2024
by
Jipumarino
8.9k
points
Chemistry
high-school
1
answer
4
votes
144k
views
The following balanced equation shows the formation of water. 2H2 + O2 → 2H2O How many moles of oxygen (O2) are required to react completely with 1.67 mol H2? 0.835 mol O2 1.67 mol O2 3.34 mol O2 6.68
Paul Thompson
asked
Oct 3, 2024
by
Paul Thompson
8.0k
points
Chemistry
high-school
1
answer
3
votes
181k
views
The table of the elements is said to be periodic because___ A) The elements are put in numerical order according to the number of protons. B) The number of energy levels or electron shells increases according
KSigWyatt
asked
Oct 3, 2024
by
KSigWyatt
7.8k
points
Chemistry
high-school
1
answer
1
vote
189k
views
Be sure to answer all parts. Find the molar solubility of BaCrO₄ (Ksp = 2.1 × 10⁻¹⁰) in: (a) pure water. (b) 8.0 × 10⁻³ M Na₂CrO₄.
Adrocknaphobia
asked
Oct 3, 2024
by
Adrocknaphobia
7.9k
points
Chemistry
high-school
1
answer
3
votes
53.1k
views
Please help im being timed select two answers! Carbon dioxide is an example of a greenhouse gas. Levels of carbon dioxide are increasing in the atmosphere. How are increasing levels of carbon dioxide affecting
Jarandinor
asked
Oct 3, 2024
by
Jarandinor
8.6k
points
Chemistry
high-school
2
answers
0
votes
178k
views
Convert 204.6 mol nitrogen monoxide into grams
Sagar Trehan
asked
Oct 3, 2024
by
Sagar Trehan
8.3k
points
Chemistry
college
1
answer
5
votes
234k
views
A question before we start The elements copper, Cu, and gold, Au, share many similarities. Both are relatively unreactive elements. They are soft, so it is easy to bend and shape them. They are called
Thinclient
asked
Oct 3, 2024
by
Thinclient
8.5k
points
Chemistry
college
1
answer
0
votes
163k
views
Quinine (C₂₀H₂₄N₂O₂) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine pKb₁ = 5.1 and pKb₂ = 9.7 (pKb₃ = - log Kb). Only 1.0 g of quinine will dissolve
Moarboilerplate
asked
Oct 3, 2024
by
Moarboilerplate
8.6k
points
Chemistry
high-school
1
answer
0
votes
116k
views
A sulfuric acid solution has a density of 1.49 g/mL and contains 59.0% H2SO4 by mass. (a) What is the molarity (M) of this solution? (b) What is the molality of this solution?
Mojtaba Tajik
asked
Oct 3, 2024
by
Mojtaba Tajik
8.1k
points
Chemistry
college
1
answer
1
vote
96.4k
views
How do you measure speed? Claim: Evidence: Reasoning:
Marko Kohtala
asked
Oct 3, 2024
by
Marko Kohtala
8.0k
points
Chemistry
college
1
answer
4
votes
216k
views
What’s fog in the sky
Stevenjmyu
asked
Oct 3, 2024
by
Stevenjmyu
8.3k
points
Chemistry
high-school
1
answer
0
votes
43.9k
views
What is an Example of "sp2" Orbitals in BF3?
Leo Quint
asked
Oct 3, 2024
by
Leo Quint
7.7k
points
Chemistry
high-school
1
answer
2
votes
61.6k
views
In a coin factory, a machine takes 2kg block of zinc. It then divides this into rectangles each weighing 8g. These rectangles are then stamped into discs of zinc each weighing 5g with the remaining zinc
Hugh Sawbridge
asked
Oct 3, 2024
by
Hugh Sawbridge
8.4k
points
Chemistry
high-school
1
answer
5
votes
14.3k
views
What is isomerization of Dihydroxyacetone phosphate STRONGLY favoured?
Matt Mangold
asked
Oct 3, 2024
by
Matt Mangold
7.7k
points
Chemistry
high-school
1
answer
3
votes
199k
views
Consider the galvanic cell described by (n and m are metals): n(s)|N₂ (aq)||m (aq)|m(s). If eocathode = 0.074 V and eoanode = 1.497 V, and [N₂ (aq)] = 0.952 M and [m (aq)] = 0.484 M, what is the value
Vince Carter
asked
Oct 3, 2024
by
Vince Carter
7.7k
points
Chemistry
high-school
1
answer
0
votes
23.7k
views
Which of the following is used primarily to vent waste gasses? A. Flush valve. B. Vaporizer. C. Scavenger. D. Flow meter.
Ming
asked
Oct 3, 2024
by
Ming
7.0k
points
Chemistry
high-school
1
answer
5
votes
114k
views
How many significant figures are in 0.048 kg?
Deseri
asked
Oct 3, 2024
by
Deseri
7.6k
points
Chemistry
college
1
answer
4
votes
171k
views
How many oxygen atoms are present in one mol of sodium chromate
Xrash
asked
Oct 3, 2024
by
Xrash
7.4k
points
Chemistry
high-school
1
answer
0
votes
119k
views
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