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Recent questions in Chemistry
the free-energy change for the hydrolysis of atp to adp pi, under standard conditions (1 m concentration of both reactants and products) is -7.3 kcal/mol. however, in the cytoplasm of the cell, the free-energy
Brad Cannell
asked
Dec 16, 2024
by
Brad Cannell
8.2k
points
Chemistry
high-school
1
answer
2
votes
169k
views
What is the pH of a 0.10 M monoprotic acid if K = 9.5x10⁻⁸?
Khelili Miliana
asked
Dec 16, 2024
by
Khelili Miliana
7.7k
points
Chemistry
high-school
1
answer
4
votes
171k
views
Help me please I need help on my test Two students are discussing how to predict the products of the reaction below. AICI 3 + Li → Student A claims that lithium will replace aluminum in the product, while
Elisheva
asked
Dec 16, 2024
by
Elisheva
8.8k
points
Chemistry
high-school
1
answer
2
votes
218k
views
If some of the salt sample splashed out during heating, how would this affect your data? Predict and explain what would happen to your experimental value of the calculation of the water evaporated.
Goralph
asked
Dec 16, 2024
by
Goralph
8.1k
points
Chemistry
high-school
1
answer
1
vote
60.2k
views
Balance the chemical equation given below, and determine the number of milliliters of 0.00300 M phosphoric acid required to neutralize 35.00 mL of 0.00150 M calcium hydroxide. _____ Ca(OH)2(aq) + _____
Xjedam
asked
Dec 16, 2024
by
Xjedam
8.4k
points
Chemistry
college
1
answer
1
vote
38.9k
views
Define and discuss the types, symptoms, and treatment for the following chemical agents: LEWISITE (L).
Horgh
asked
Dec 16, 2024
by
Horgh
8.5k
points
Chemistry
high-school
1
answer
1
vote
111k
views
Draw the products of the following reaction: 3-bromo-3-ethylpentane reacting with H₂O. a. 3-Ethylpentanol b. 3-Bromo-3-ethylpentanol c. 3-Ethyl-3-pentanol d. Pentane
Vinh
asked
Dec 16, 2024
by
Vinh
7.7k
points
Chemistry
high-school
1
answer
5
votes
159k
views
Which of the following characteristics is used to describe the toxicity of a pesticide? A. Tendency for acute/chronic exposure B. Poison strength C. Pesticide capacity to cause injury/harm D. Non of the
Dauffret
asked
Dec 16, 2024
by
Dauffret
7.5k
points
Chemistry
high-school
1
answer
5
votes
133k
views
What causes the water around the drip to move? A. the water drops traveling in circles as they hit the water B. the water drops getting bigger as they hit the water C. waves traveling through the air above
Andrew Wei
asked
Dec 16, 2024
by
Andrew Wei
8.4k
points
Chemistry
high-school
1
answer
3
votes
127k
views
Is 43 milligrams greater than 5 grams
Javier Elices
asked
Dec 16, 2024
by
Javier Elices
8.4k
points
Chemistry
high-school
1
answer
4
votes
105k
views
A 0.2588g sample of KHP is dissolved in water in titrated with 12.28 mL of NaOH solution required to reach the endpoint. Calculate the molarity of the NaOH solution.
Idoda
asked
Dec 16, 2024
by
Idoda
8.8k
points
Chemistry
high-school
1
answer
2
votes
233k
views
A student uses magnesium for their experiment. If their data indicated the atomic mass of magnesium was 26.6 instead of the 24.30 on the periodic table, what is their percent error? Answer should be rounded
Jetcom
asked
Dec 16, 2024
by
Jetcom
8.3k
points
Chemistry
college
1
answer
2
votes
70.9k
views
B. CH3NH₂ + H₂O → CH3NH3+ + OH Bronsted-Lowry Acid: Bronsted-Lowry Base: Conjugate Acid: Conjugate Base:
Marcus
asked
Dec 16, 2024
by
Marcus
8.6k
points
Chemistry
high-school
2
answers
5
votes
41.8k
views
Arrange the isoelectronic ions - Cl⁻, ca2 , k , s2- - in order of increasing radius? 1) Cl⁻, ca2, k, s2- 2) Cl⁻, s2-, k, ca2 3) s2-, Cl⁻, k, ca2 4) ca2, k, Cl⁻, s2-
Bereket Gebredingle
asked
Dec 16, 2024
by
Bereket Gebredingle
7.5k
points
Chemistry
high-school
1
answer
4
votes
51.1k
views
Calculate the amount of heat, in calories, that must be added to warm 89.7 g of brick (0.20) from 22.0 °C to 44.1 °C. Assume no changes in state occur during this change in temperature.
HubertL
asked
Dec 16, 2024
by
HubertL
8.5k
points
Chemistry
college
1
answer
3
votes
229k
views
The combustion of glucose with oxygen gas produces carbon dioxide and water this process realeases 2803kj per mole of glucose when 3mol of oxygen react in this way with glucose what is the energy release
Joydeep
asked
Dec 16, 2024
by
Joydeep
7.8k
points
Chemistry
high-school
1
answer
5
votes
158k
views
Fill in the blank with the correct number to balance the equation: 4 Al + ___ O2 → 2 Al₂O₃. (Enter only a whole number.)
Applecow
asked
Dec 16, 2024
by
Applecow
7.9k
points
Chemistry
high-school
1
answer
5
votes
223k
views
Predict: what effect do you think boiling and freezing will have on the activity of the amylase enzyme- a. Boiling will increase activity, freezing will decrease activity b. Boiling will decrease activity,
Johnyb
asked
Dec 16, 2024
by
Johnyb
7.9k
points
Chemistry
high-school
1
answer
1
vote
113k
views
In the equation: Na₂CO3 + 2HCI → 2NaCl + H₂O + CO₂ How many moles of HCI are required to produce 15.91 g of CO₂
Andrew Langman
asked
Dec 16, 2024
by
Andrew Langman
8.9k
points
Chemistry
college
1
answer
5
votes
186k
views
Dominant element connected to hydrocarbon backabon: a) Carbon b) Hydrogen c) Oxygen d) Nitrogen
Ergo
asked
Dec 16, 2024
by
Ergo
8.9k
points
Chemistry
high-school
1
answer
3
votes
202k
views
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