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Kay [80]
2 years ago
8

Give three examples of convection. PLEASE I AM BEING TIMED!!!

Chemistry
1 answer:
SIZIF [17.4K]2 years ago
7 0
Boiling water, steam from a cup of tea and ice melting
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Which of the following is considered an alternative energy resource?
ELEN [110]
B. Biomass

(I guess so cause other ones are already being used)
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3 years ago
What will the sun become when it dies
Nina [5.8K]

Answer:

It will become a red giant

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5 0
2 years ago
When you do a displacement reaction with iron and copper what is the orange metal called
laiz [17]
It is called rust and it forms when water soaks into the metal forming a chemical reaction.
5 0
3 years ago
An unknown metal sulfate is found to be 72.07% SO4 2- by mass. Assuming that the charge on the metal cation is +3, determine the
wariber [46]
Lets name the unknown metal as M. Cation would be M³⁺.
the molecular formula of the compound is M₂(SO₄)₃
the mass of one mole - (molar mass of M x2 + 3 x molar mass of SO₄²⁻)
                                   = 2M + 96 x 3
                                   = 2M + 288
In 1 mol if there's 72.07% of sulphate , 
then 72.07 % corresponds to 288 g
               1 % is then      - 288/72.07 
       100 %  of the compound - 288/72.07 x 100 
 molar mass of the compound - 399.6 g/mol
mass of 2M - 399.6 - 288 = 111.6 g
molar mass of M - 111.6 /2 = 55.8 g/mol
the element with molar mass of 55.8 is Fe.
Unknown metal is iron(III) , Fe³⁺

8 0
3 years ago
How does the freezing point of water from the ocean compare to distilled water one buys at the store?
Lelechka [254]
Due to prescence of any impurity, there will be change in physical properties of any liquid. 
8 0
3 years ago
Read 2 more answers
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