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FrozenT [24]
3 years ago
9

Mercury may have ice trapped in the crater floors near the planet’s north pole.

Chemistry
1 answer:
vekshin13 years ago
5 0
I’m going to stick with true
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Can radiation carry thermal energy from object to object?
Viktor [21]

Answer:

Radiation is the transfer of thermal energy by waves that can travel through empty space. When the waves reach objects, they transfer thermal energy to the objects.

3 0
2 years ago
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Many grams of aluminum are required to produce 3.5 moles Al2O3 in the presence of excess O2?
Aleks [24]
The  grams  of aluminum  that are required   to produce  3.5  moles of AlO3  in  presence of excess O2   is calculated as  below

write  the  equation for reaction
4 Al + 3O2 =2 Al2O3

by use of mole  ratio between  Al  to  Al2O3   which  is  4 :2  the moles of  Al 
=3.5 x4/2 = 7  moles

mass of Al  =  moles /   x molar mass

= 7 moles  x27 g/mol  =189  grams

4 0
3 years ago
HELP ILL GIVE U FREE POINTS AND BRAINLEST !! Observe the plate boundary shown here. What type of plate boundary is this? Many ge
Studentka2010 [4]
The answer is B.
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3 0
3 years ago
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Sodium hydroxide, NaOHNaOH; sodium phosphate, Na3PO4Na3PO4; and sodium nitrate, NaNO3NaNO3, are all common chemicals used in cle
nadya68 [22]

Answer:

NaOH > Na3PO4 > NaNO3

Explanation:

in NaOH

23/40 * 100 = 57.5%

in Na3PO4

3 * 23/164 * 100 = 42%

In NaNO3

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Hence;

NaOH > Na3PO4 > NaNO3

4 0
3 years ago
Which stage of the cell cycle usually lasts the longest
nata0808 [166]
The interphase usually lasts the longest
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3 years ago
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