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blondinia [14]
2 years ago
15

At 40km up in the atmosphere the pressure is 3.8 kPa. I release a balloon with a volume of 30.0

Chemistry
1 answer:
otez555 [7]2 years ago
7 0
30 is the best for you to be able to get items on each other’s back to io
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A single atom of platinum has a mass of 3.25 x 10-22g. What is the mass of 6.0 x 1023 platinum atoms?
boyakko [2]
Even though the numbers are in scientific notation, they are still just numbers. Essentially the question is as simple as "An apple weighs an ounce, how much do 35 apples weigh?". So all you have to do is multiply.

3.25 x 10^{-22}   x  6.0 x10^{23}  = 195

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If the ribosomes of a cell were destroyed what effect would this most likely have on the cell
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How many grams are 1.20 x 1025 molecules of calcium iodide?
jeka57 [31]

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1230

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1.20×1025=1230 is your answer

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2 years ago
Definition of chemical change
yuradex [85]

Answer:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

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3 years ago
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masya89 [10]

Answer:

The answer is below

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