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ddd [48]
2 years ago
13

Specific gravity of a vegetable oil is 0.85. What is its density?

Chemistry
1 answer:
elena-s [515]2 years ago
6 0
I think its density is 850kg/m^3
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hich of the following changes always leads to an increase in the rate constant for a reaction: Decreasing the temperature Decrea
GrogVix [38]

Answer:

Only one—(i), or (ii), or (iii)—increases the reaction rate.

Explanation:

<em>Which of the following changes always leads to an increase in the rate constant for a reaction?</em>

  • <em>Decreasing the temperature. </em>NO. A lower temperature leads to a slower reaction because the molecules have less energy to react.
  • <em>Decreasing the activation energy</em>. YES. According to the Arrhenius equation, the lower the activation energy, the higher the rate constant.
  • <em>Making the value of ΔE more negative</em>. NO. A more negative ΔE means a reaction is more spontaneous but not faster.
4 0
3 years ago
What happen when a piece of silver metal is added to the copper sulphate solution​
natta225 [31]

Answer:

Explanation:When silver Ag metal is added to copper sulphate CuSO4 solution, no reaction takes place as silver is less reactive than that of copper and cannot displace copper from its solution. Hence, when a piece of silver metal is added to copper sulphate solution there will be no reaction.

7 0
3 years ago
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Why does mecury hardly evaporate in room temperature
Crazy boy [7]
Because elemental mercury is a liquid at a room temperature
6 0
3 years ago
How many meters are present in the 12.45 miles? Please show your work, and report your answer with the correct number of signifi
MatroZZZ [7]

Explanation:

We know that,

1 mile = 1609.34 m

We need to find how many meters are present in the 12.45 miles. To find it use unitary method as follows :

12.45 mile = 1609.34 × 12.45

12.45 mile=20036.283 meters

or

12.45\ mile=2.0036\times 10^4\ m

Hence, this is the required solution.

3 0
3 years ago
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There is no temperature at all shown below. Is that the same as Absolute Zero ?
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3 years ago
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