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Doss [256]
3 years ago
12

Which of the following would most likely cause rising air

Chemistry
1 answer:
eimsori [14]3 years ago
5 0

Answer:

warm air and low pressure

Explanation

Head rises and the lower the pressure at the area the faster it will cause rising air.

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Someone pls help me I will make you brain
Katena32 [7]

Answer:

it is actually b because i did this i picked b and got it right

Explanation:

4 0
3 years ago
How many molecules of H2O are there in 1.0 g of H2O?
NISA [10]
Molar mass H₂O = 18.0 g/mol

number of moles :

1.0 / 18.0 => 0.055 moles

1 mole -------------- 6.02 x 10²³ molecules
0.055 moles --------  ? molecules

molecules = 0.055 x ( 6.02 x 10²³) / 1

molecules = 3.311x10²² / 1

= 3.311 x 10²² molecules

hope this helps!
8 0
3 years ago
BRAINLIEST WITH THE RIGHT ANSWER
DENIUS [597]

Answer: All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

4 0
2 years ago
Read 2 more answers
Zn(s) + 2 HCl(aq) —> ZnCl2(aq)
miv72 [106K]

Answer:

First write the balanced equation for the reaction of HCl with Zn (NOTE: the previous answer did NOT do this and thus obtained an incorrect answer)

Zn + 2HCl ==> ZnCl2 + H2(g)

moles of H2 desired:  PV = nRT

n = PV/RT = (1 atm)(10L)/(0.0821 Latm/Kmol)(298K)

n = 0.409 mole H2 desired

moles Zn needed:

0.409 moles H2 x 1 mole Zn/2 moles HCl = 0.204 moles Zn needed

mass Zn needed = 0.204 moles Zn x 65.4 g/mol = 13.4 g Zn needed (to 3 sig. figs.)

Explanation:people always get this wrong but i got you

4 0
3 years ago
Please I need help with questions 14 and 15 and it’s very hard and I’m struggling with it and if you need to see the picture big
Alex
14 is called a zygote and 15 is mutation
3 0
3 years ago
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