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kap26 [50]
3 years ago
14

Anyone can help? This will be really appreciated! 35 POINTS!!

Chemistry
2 answers:
Vlad1618 [11]3 years ago
8 0

Answer: 5. You can go 343.2 miles 6. 840960 minutes in a 1.6 years

Hope that helps :)

lara [203]3 years ago
7 0

Answer: 5. You can go 343.2 miles 6. 840960 minutes in a 1.6 years Maybe that works

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Which statement describes how technology has increased our information on Mars?
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The Curiosity rover found sulfur compounds in rocks and carbon in organic compounds like propane, butene, benzene, toluene and thiophene.

It detected methane, not in soil samples, but in the Martian atmosphere.

It did not discover helium in underground pockets. The hole it can drill is only 5 cm deep.

4 0
3 years ago
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Explain in a short sentence how you can tell a reaction is a decomposition reaction.
mr Goodwill [35]

Answer: A decomposition reaction occurs when one reactant breaks down into two or more products.

Mark me as brainilist pls

3 0
3 years ago
Calculate the mass in grams of benzophenone required to make a solution of 2.5 mmoles
kirill115 [55]

Answer:

0.46 grams (C₆H₅)₂CO

Explanation:

To find the mass of benzophenone ((C₆H₅)₂CO), you need to (1) convert mmoles to moles and then (2) convert moles to grams (via molar mass). It is important to arrange the conversions/ratios in a way that allows for the cancellation of units. The final answer should have 2 sig figs to match the sig figs of the given value (2.5 mmoles).

Molar Mass ((C₆H₅)₂CO): 13(12.011 g/mol) + 10(1.008 g/mol) + 15.998 g/mol

Molar Mass ((C₆H₅)₂CO): 182.221 g/mol

2.5 mmoles (C₆H₅)₂CO               1 mole                  182.221 g
-----------------------------------  x  ------------------------  x  -------------------  =
                                                1,000 mmoles            1 mole

=  0.46 grams (C₆H₅)₂CO

4 0
1 year ago
How many moles of potassium nitrate, KNO3 are present in a sample with a mass of 85.2 g?
Bingel [31]
0.843 moles would be the answer
5 0
3 years ago
given the following reaction: CuO (s) + H2 (g) to Cu(s) + H2O (g). If 250 L of hydrogen gas are used to reduce copper (II) oxide
QveST [7]

24g is needed no explanation

4 0
3 years ago
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