sarahc
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Questions Answered

sarahc:
Group Title
NEED SOME EXPERTS :) Once viruses are detected, the number of viruses increases rapidly. This is because ______.
lysogeny produces large n…
 updated one year ago
 3 replies
 1 Medal
Mathematics

sarahc:
Group Title
Which of the following describes a BrønstedLowry base?
a hydrogen ion acceptor
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Water molecules move farther apart when water freezes, causing it to expand. Which of the following is a consequence of this property?
W…
 updated one year ago
 11 replies
 3 Medals
Mathematics

sarahc:
Group Title
When sulfuric acid is poured on sugar the volume expands, it turns black and gets very hot. Which of the following best describes this react…
 updated one year ago
 5 replies
 1 Medal
Mathematics

sarahc:
Group Title
Which of the following is not true regarding carbon?
Carbon 12 is radioactive.
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

sarahc:
Group Title
Nucleic acids are polymers of ______ monomers.
fatty acid
DNA
…
 updated one year ago
 9 replies
 3 Medals
Mathematics

sarahc:
Group Title
Nucleic acids are polymers of ______ monomers.
fatty acid
DNA
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

sarahc:
Group Title
CALLING ALL EXPERTS!
Some atoms become unstable because
…
 updated one year ago
 6 replies
 2 Medals
Mathematics

sarahc:
Group Title
What is the equation of a vertical line passing through (–4, –3)?
x = –4
…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
What is the solution set of....
 updated one year ago
 10 replies
 1 Medal
Mathematics

sarahc:
Group Title
Simplify the expression
 updated one year ago
 5 replies
 1 Medal
Mathematics

sarahc:
Group Title
Solve 3 sqrt x2 + 7 = 28
x = –89
x = 9
…
 updated one year ago
 10 replies
 1 Medal
Mathematics

sarahc:
Group Title
Solve. 2x2 + 5x = 12.
x=3/2 and x = –4
x=2 and x=3
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

sarahc:
Group Title
Predict which of the following would shift the equilibrium to the right in the following reaction.
C2H2 + H2OCH3CHO
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Which of the following gases will diffuse the fastest at a given temperature?
Cl2
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

sarahc:
Group Title
Which of the following best explains what happens when the kinetic energy of particles in a liquid state decreases?
They move so slowly …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
PLEASE HELP!
Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experi…
 updated one year ago
 5 replies
 2 Medals
Mathematics

sarahc:
Group Title
It is more important to look at the serving size than the servings per container when reading a food label.
True
…
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Which food would be the better (healthier) choice? A food with _____.
140 calories with 25 calories from fat
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
A solution is made by dissolving 25.5 grams of glucose (C6H12O6) in 398 grams of water. What is the freezingpoint depression of the solvent…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
If it requires 48.3 milliliters of 0.55 molar nitric acid to neutralize 15.0 milliliters of barium hydroxide, solve for the molarity of the …
 updated 10 months ago
 12 replies
 1 Medal
Mathematics

sarahc:
Group Title
During the 21st century, immigration reformers have been interested in doing which of the following?
combating illegal immigration
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

sarahc:
Group Title
Which statement describes part of the United States' role in the global economy?
The United States has the highest tariff rates in the w…
 updated one year ago
 1 reply
 1 Medal
Mathematics

sarahc:
Group Title
Describe in detail what you know about the enthalpy, entropy, and free energy changes when a sample of gas condenses to a liquid. How does t…
 updated one year ago
 7 replies
 2 Medals
Mathematics

sarahc:
Group Title
A solution is made by dissolving 2.5 moles of sodium chloride (NaCl) in 198 grams of water. If the molal boiling point constant for water (K…
 updated one year ago
 3 replies
 1 Medal
Mathematics

sarahc:
Group Title
A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezingpoint depression of the solvent…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

sarahc:
Group Title
CHEM EXPERTS NEEDED :)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

sarahc:
Group Title
Which of these actions relied on a high level of community involvement among African Americans?
the Freedom Summer
…
 updated one year ago
 19 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Which civil rights leader would have rejected the students' approach to fighting for integration?
Whitney Young
…
 updated one year ago
 15 replies
 1 Medal
Mathematics

sarahc:
Group Title
What is true about the dilution of a solution?
The amount of solute decreases.
…
 updated one year ago
 20 replies
 1 Medal
Mathematics
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