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Maurinko [17]
3 years ago
9

Which of the following is the same as 1 second?

Chemistry
1 answer:
Soloha48 [4]3 years ago
8 0
It’s 5 When u do 1k which is 1000 it’s equal to 0.1 then = 100 which then u do 95 coz that’s a lucky number and u get 5
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Most of the mass in a growing tree comes from what?<br> Trunk<br> CO2<br> Leaves<br> Oxygen
arlik [135]

Answer:

Pero el carbono también es importante. Todos los seres vivos sobre la Tierra están hechos de carbono. Si eliminas el agua de nuestro cuerpo, encontrarás que el carbono constituye la mayoría del peso o masa restante. Lo mismo es cierto para las plantas.

Explanation:

4 0
3 years ago
How many moles of HCl are present in 0.70 L of a 0.33 M HCl solution?
tester [92]

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0.23 mol

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Determine the mass of water produced from 50g hydrochloric acid and
Alenkinab [10]

Answer:

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Explanation:

To find the mass of water, you should (1) convert from grams HCl to moles (via molar mass from periodic table), then (2) convert from moles HCl to moles H₂O (via mole-to-mole ratio from equation), and then (3) convert from moles H₂O to grams (via molar mass from periodic table).

1 HCl + KOH --> 1 H₂O + KCl

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Molar Mass (HCl): 36.458 g/mol

Molar Mass (H₂O): 2(1.008 g/mol) + 16.00 g/mol
Molar Mass (H₂O): 18.016 g/mol

50 g HCl        1 mole HCl          1 mole H₂O           18.016 g
--------------  x  ------------------  x  -------------------  x  -------------------  = 24.7 g H₂O
                        36.458 g           1 mole HCl          1 mole H₂O

3 0
2 years ago
Which group of elements are considered to be in the same family?
mash [69]
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Sveta_85 [38]

Answer:

The formula for the compound isB6Br7

6 0
3 years ago
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