Questions Answered

clarkexo:
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PLEASE HELP! A student diluted copper(II) sulphate pentahydrate stock solution by placing 1 mL sample in 24 mL of dH20. Was futher diluted b…
 updated one year ago
 2 replies
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clarkexo:
Group Title
PLEASE HELP! A student diluted copper(II) sulphate pentahydrate stock solution by placing 1 mL sample in 24 mL of dH20. Was futher diluted b…
 updated one year ago
 1 reply
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clarkexo:
Group Title
what is required to condition glassware, and why must one condition their glassware?
 updated one year ago
 4 replies
 1 Medal

clarkexo:
Group Title
One has been supplied with 12 mL of a 2.5 M NaOH solution. If one requires a 0.25 M NaOH solution, what volume of diluent would be nee to be…
 updated one year ago
 2 replies
 1 Medal

clarkexo:
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how should one word verification of carbon dioxide production?
 updated one year ago
 12 replies
 1 Medal

Stephhaniiee:
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Scientists can trace the steps of a biological process using small amounts of radioactive atoms. These radioactive atoms are followed as the…
 updated one year ago
 15 replies
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clarkexo:
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solve: a^2 · a^3 · a^4
 updated one year ago
 7 replies
 1 Medal

clarkexo:
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Evaluate: (3x  4y^2)^0
 updated one year ago
 5 replies
 2 Medals

clarkexo:
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evaluate: 7a^2/b^0
 updated one year ago
 3 replies
 1 Medal

clarkexo:
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show in negative exponent: 2/a
 updated one year ago
 12 replies
 1 Medal

clarkexo:
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solve: (a/5)^2
 updated one year ago
 11 replies
 1 Medal

clarkexo:
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solve: (5xy^2)^2
 updated one year ago
 8 replies
 1 Medal

jjqls51:
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how are the error and percent error of a measurement calculated?
 updated one year ago
 7 replies
 1 Medal

clarkexo:
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help me solve: (x^2m)^n
 updated one year ago
 5 replies
 2 Medals

clarkexo:
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help me solve: (a^2)^5
 updated one year ago
 7 replies
 3 Medals

clarkexo:
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answer without a negative exponent: x^4/x^2
 updated one year ago
 11 replies
 3 Medals

clarkexo:
Group Title
solve: a^2 · a^3 · a^4
 updated one year ago
 11 replies
 2 Medals

clarkexo:
Group Title
how do you know if an element has a positive charge in the nucleus
 updated 2 years ago
 3 replies
 1 Medal

clarkexo:
Group Title
Approximately 3 out of 8 commuters take the GO train each morning. Out of 215 000
commuters, how many people are on the train?
 updated 2 years ago
 3 replies
 1 Medal

clarkexo:
Group Title
If a coffee and a donut is $1.99, how many donuts and coffees would you get for $8.00?
 updated 2 years ago
 9 replies
 2 Medals

clarkexo:
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show steps
If 3 cans of soup cost $1.83, how much would 5 cans cost?
 updated 2 years ago
 6 replies
 3 Medals

clarkexo:
Group Title
Write the following proportions as equivalent fractions. Do not solve
If a recipe calls for 1 tsp of vinegar for every cup of milk, how m…
 updated 2 years ago
 5 replies
 1 Medal

clarkexo:
Group Title
In an election for school council, there were 234 yes and 586 no votes were cast.
Write the fraction of no votes
 updated 2 years ago
 5 replies
 1 Medal

clarkexo:
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The ratio of 15 oz to 10 oz
 updated 2 years ago
 6 replies
 2 Medals

clarkexo:
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125 min to 3 hours : show in simplest ratio form
 updated 2 years ago
 10 replies
 1 Medal

clarkexo:
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2x3/2(2/63/5)^2 please provide steps, I wanna know how to actually do it
 updated 2 years ago
 16 replies
 1 Medal

clarkexo:
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solve for x
1. x^5=31
…
 updated 2 years ago
 14 replies
 2 Medals

clarkexo:
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solve for x
1. 4=3sqx^2
2. x^7=1267
…
 updated 2 years ago
 3 replies
 1 Medal

clarkexo:
Group Title
For each of the following functions, state the roots of the function and write the function in standard form.
a. g(x) = (x  7)( x  5)(2…
 updated 2 years ago
 2 replies
 1 Medal

clarkexo:
Group Title
Expand and simplify;
2xy(3x²y³5x³y²)
…
 updated 2 years ago
 4 replies
 1 Medal
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