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Recent questions in Chemistry
1:100 ratio strength for a solution contains g of active ingredient in 100. How many grams of active ingredient are present in 475 of this solution? A) 4.75 g of active ingredient B) 47.5 g of active ingredient
Jasper Bekkers
asked
Dec 22, 2024
by
Jasper Bekkers
8.2k
points
Chemistry
high-school
1
answer
1
vote
205k
views
3.50 L of 0.200 M hydrochloric acid is prepared using 12.0 M HCl(aq) stock solution to which water is added. What volume of the stock solution is required? a. 7.00 mL b. 8.40 mL c. 17.1 mL d. 58.3 mL
Dsummersl
asked
Dec 22, 2024
by
Dsummersl
8.1k
points
Chemistry
high-school
2
answers
2
votes
180k
views
Multiple C₆H₁₂O₆ by the number of monomers, multiple H₂O by 1 less than the number of monomers, subtract the second number from the first a) Dehydration synthesis b) Hydrolysis c) Polymerization d) Isomerization
Azim J
asked
Dec 22, 2024
by
Azim J
8.9k
points
Chemistry
high-school
1
answer
0
votes
47.2k
views
1. at what point in the lab was the tetra-n-butylammonium bromide, tbab, removed from the reaction mixture? 2. what was the purpose of suspending the crude solid in warm hexanes and performing a gravity
Victor Marchuk
asked
Dec 22, 2024
by
Victor Marchuk
8.5k
points
Chemistry
high-school
1
answer
1
vote
95.8k
views
How many inputs required for glyconeogensis? What is deltaG?
David Sigley
asked
Dec 22, 2024
by
David Sigley
7.3k
points
Chemistry
high-school
1
answer
1
vote
77.4k
views
Which set of elements is in the correct order of increasing first ionization energy? a) P, S, Cl b) P, S, Cl c) Cl, S, P d) Cl, S, P
Pawel Troka
asked
Dec 22, 2024
by
Pawel Troka
7.7k
points
Chemistry
high-school
1
answer
0
votes
162k
views
What volume will 5.00 g of helium gas occupy at 0.800 atmospheres and 25⁰c?
Keano
asked
Dec 22, 2024
by
Keano
8.0k
points
Chemistry
high-school
1
answer
5
votes
116k
views
A molecule with the formula AB3, in which A and B represent different atoms, could have one of three different shapes. Sketch and name the three different shapes that this molecule might have. Give an
Joeri
asked
Dec 22, 2024
by
Joeri
7.8k
points
Chemistry
high-school
1
answer
3
votes
148k
views
Which of the following substances has the highest boiling point? 1) Br ₂ 2) NaBr 3) HBr 4) BrF
Selby
asked
Dec 22, 2024
by
Selby
7.1k
points
Chemistry
high-school
1
answer
2
votes
222k
views
The decomposition of hydrogen peroxide is first order in H₂O₂. 2H₂O₂ → 2H₂O + O₂ The rate constant for this reaction at 20 C is 1.8 x 10⁻⁵ s⁻¹. If the starting concentration of H₂O₂ is 0.75 M, determine
Gary Hayes
asked
Dec 22, 2024
by
Gary Hayes
8.0k
points
Chemistry
high-school
1
answer
1
vote
164k
views
The most common types of chemical hair relaxers are _____________________, _________________________, and ______________________.
Rohan Rao
asked
Dec 22, 2024
by
Rohan Rao
7.8k
points
Chemistry
high-school
1
answer
2
votes
112k
views
Which atom will have the highest ionization energy O Sr O Ba O Cs O Rn
Tom Jenkin
asked
Dec 22, 2024
by
Tom Jenkin
8.0k
points
Chemistry
high-school
1
answer
4
votes
37.3k
views
Consider the titration of a 23.0-ml sample of 0.105 m hc2h3O₃ (ka=1.8×10-5) with 0.120 m NaOH. Part A: Determine the initial pH.
Poldo
asked
Dec 22, 2024
by
Poldo
9.1k
points
Chemistry
high-school
1
answer
4
votes
134k
views
Why are electrons paired up in hexaaquacobalt(III)?
ILuvLogix
asked
Dec 22, 2024
by
ILuvLogix
8.4k
points
Chemistry
high-school
1
answer
0
votes
64.6k
views
Which flask has the highest pressure, assuming they all contain 1 mole He at 298K?
Robinsax
asked
Dec 22, 2024
by
Robinsax
6.9k
points
Chemistry
high-school
2
answers
2
votes
148k
views
Which of the following correctly represents the order of inductive effect (-/+) and the order of the metameric effect? a) -I > -II > +I > +II b) +I > +II > -I > -II c) -I > +I > -II > +II d) +II > +I >
Otavio
asked
Dec 22, 2024
by
Otavio
7.5k
points
Chemistry
high-school
1
answer
0
votes
179k
views
How would you describe 'alkali'? a) A class of compounds with common properties of tasting bitter and turning red litmus paper blue. b) Chemical compounds neutralizing or effervescing with acids, turning
Idell
asked
Dec 22, 2024
by
Idell
8.7k
points
Chemistry
high-school
1
answer
3
votes
20.4k
views
Write the correct IUPAC for this molecule. I need help please
Derek Beattie
asked
Dec 22, 2024
by
Derek Beattie
8.6k
points
Chemistry
college
1
answer
0
votes
81.0k
views
Is anyone allowed to refuel a propane vehicle? A) True B) False
Prasad Revanaki
asked
Dec 22, 2024
by
Prasad Revanaki
7.8k
points
Chemistry
high-school
1
answer
0
votes
59.8k
views
Would you expect the force on the outermost electrons in Argon to be stronger or weaker than that of chlorine? Why?
HoangYell
asked
Dec 22, 2024
by
HoangYell
8.1k
points
Chemistry
high-school
1
answer
2
votes
49.3k
views
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