The functions of two physical structures of plants are described below: (2 points)

Chemistry

2 answers:

ololo11 [35]3 years ago

4 0

C ??? idfk wjaiwjdjeje

max2010maxim [7]3 years ago

3 0

Answer: c
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1. 10.0 g of CaCO 3 on heating gave 4.4 g of CO 2 and 5.6 g of CaO. The observation is in agreement with the law of conserva

finlep [7]

Answer:

According to the law Mass of reactants = mass of product, here `underset(10 g)(CaCO_(3))rarr underset(4.4 g)(CO_(2))+underset(x)(CaO)` Hence, x = 10 g - 4.4 g = 5.6 g Which is mass of CaO.d
In the first compound Hydrogen = 5.93 % Oxygen = `(100-5.93)% = 94.07 %` In the second compound Hydrogen = 11.2 % Oxygen `= (100-11.2)%=88.8%` In the first compound the number of parts by mass of oxygen that combine with one part by mass of hydrogen `=(94.07)/(5.93)=15.86` parts ...
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Archy [21]

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The energy driving a windmill each minute equals 2.75 kilojoules. If 1.6 kilojoules of energy is given up by the windmill as the

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How do you test for hydrogen?

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