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Huber
Chemistry
Formulate the sequence of steps needed to prepare 250.0 mL of a 0.005 M aqueous solution from solid KMnO4 and pure water.
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Makenzie Terrell
Chemistry
To determine the effect of color of light on plant growth, 4 groups of bean plants were grown under the light conditions below.
Group 1-under red light Group 2-under green light
Group 3-under violet light Group 4-in normal, white light
Which of the variables below should be held constant?
Question 3 options:
A. How much each plant grows
B. The amount of light each group of plants receives
C. The color of light each group of plants receives
D. All of the above
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Javion Small
Chemistry
Which of these would have a frequency greater than an X-ray
A UV ray
B violet light
C microwave
D gamma ray
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Kolby Huang
Chemistry
What type of reaction is the digestion of solid copper wire by nitric acid?
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Amiya
Chemistry
Will the pH in your mouth increase after brushing your teeth?
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Deangelo Chambers
Chemistry
What is procedure gas
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Kaleb Bridges
Chemistry
What is metalliods?
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Alexus Myers
Chemistry
To breed or train; to tame a wild animal to live
with humans.
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Rodney Mason
Chemistry
Why the noble gases tend not to react
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Ezra Cole
Chemistry
Which one is a true statement about exothermic reactions? a. energy from an outside source is continuously being added. b. the reaction container always feels cold. c. the reactants have more heat energy than the products. d. more heat is given off than is put into the reaction.
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Kimberly
Chemistry
How does adding energy to a solid affect the motion of the particles
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Cole Walter
Chemistry
Which statement best describes control rods?
They are unmovable pieces.
They are inert.
They supply neutrons to start the nuclear chain reaction.
They drive the generator
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Kali Wright
Chemistry
Which statement about the offspring is correct?
answer; 50% will be heterozgous, 50% will be dominant, and 0% would be homozygous recessive
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Desmond Moses
Chemistry
The most abundant gas in the Earth's atmosphere is:
A. hydrogen
B. oxygen
C. nitrogen
D. carbon dioxide
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Andres Jensen
Chemistry
The element chlorine has an atomic weight of 35.5 and consists of two stable isotopes chlorine-35 and chlorine-37. The isotope chlorine-35 has a mass of 35.0 amu and a percent natural abundance of 75.5 %. The isotope chlorine-37 has a percent natural abundance of 24.5 %. What is the mass of chlorine-37? amu
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