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lord [1]
2 years ago
14

A vegetable farmer wants to increase his harvest which of the following conditions should the farmer consider

Chemistry
1 answer:
hichkok12 [17]2 years ago
6 0

Answer:

D. all of the above

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When a substance is heated ,the kinetic energy of its molecules
Simora [160]

Answer:

When a substance is heated ,the kinetic energy of its molecules also increase.

Explanation:

K.E is directly proportional to T

5 0
2 years ago
Complete combustion of 5.90 g of a hydrocarbon produced 18.8 g of CO2 and 6.75 g of H2O.
Inessa05 [86]
First we have to find moles of C:
Molar mass of CO2:
12*1+16*2 = 44g/mol
(18.8 g CO2) / (44.00964 g CO2/mol) x (1 mol C/ 1 mol CO2) =0.427 mol C 
Molar mass of H2O:
2*1+16 = 18g/mol
As there is 2 moles of H in H2O,
So,

<span>(6.75 g H2O) / (18.01532 g H2O/mol) x (2 mol H / 1 mol H2O) = 0.74mol H </span>

<span>Divide both number of moles by the smaller number of moles: </span>
<span>As Smaaler no moles is 0.427:
So,
Dividing both number os moles by 0.427 :
(0.427 mol C) / 0.427 = 1.000 </span>
<span>(0.74 mol H) / 0.427 = 1.733 </span>

<span>To achieve integer coefficients, multiply by 2, then round to the nearest whole numbers to find the empirical formula: 
C = 1 * 2 = 2
H = 1.733 * 2 =3.466
So , the empirical formula is C2H3</span>
4 0
3 years ago
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What causes the bubbles in vinegar and baking soda?
Goshia [24]
A chemical reaction is going to be your answer 
8 0
3 years ago
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Are specimens the best source of DNA
xxTIMURxx [149]

no the best source is blood.

5 0
3 years ago
Look at the diagram below.
antiseptic1488 [7]
If it gains an electron it will be negatively charged and if it loses an electron it will be positively charged
7 0
2 years ago
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