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3 years ago

Vegetable oil has the density of .92 g/mL and honey has the density of 1.42 g/mL. Which liquid will float?

1 answer:

5 0

If you are saying float in water, than it is vegetable oil, as it has a lower density, in other ways lighter than water, so it will float if it is poured onto water. Honey has a higher density than water and way higher density than vegetable oil, therefore being heavier and more dense it will go down to the bottom.

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The electrical wires in your home use what type of circuits?

Helga [31]

The house wiring should be done parallel because, in parallel connection there will be more advantages than a series connection.

Let a house is wired in series and it contains a fan, tube light, TV, refrigerator. All the devices are connected in series. Now, due to some disturbance the fan speed working or it burned. Then since the connection was a series, due to one appliance failure causes the whole circuit to fail. If it is burned that means it making an open circiut. Then there will be no current flow in the circuit.

Now if it was a parallel connection as we know already, the parallel connection is nothing but individual appliances connected to the same line by tappings. That means there's no dependency of one appliance on another. So if an appliance fail or burns it doesn't effects the remaining appliances. And there will be uninterrupted supply to the healthy appliances can be achieved.

That’s why we use parallel for house wiring

7 0

3 years ago

Read 2 more answers

½H2(g) + ½I2(g) → HI(g), ΔH = +6.2 kcal/mole 21.0 kcal/mole + C(s) + 2S(s) → CS2(l) What type of reaction is represented by the

wlad13 [49]

Answer:

Exothermic Reaction are those reaction, in which energy is released while in endothermic reaction are those, in which energy is absorbed.

Explanation:

First Reaction:

As in this reaction, energy is released

½H2(g) + ½I2(g) → HI(g), ΔH = +6.2 kcal/mole

so it is exothermic reaction

Second reaction:

As in this reaction, energy is absorbed

21.0 kcal/mole + C(s) + 2S(s) → CS2(l)

so it is endothermic reactions.

7 0

4 years ago

Read 2 more answers

Classify each of the following chemical reactions.

natulia [17]

1. Synthesis or Combination reaction
2. Double replacement reaction
3. Single Replacement reaction
4. Decomposition reaction

Please mark as brainliest if this helped!

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4 years ago

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A standard 10.00 g mass is weighed on an analytical balance 100 times. The average and standard deviation obtained gives 10.12 ±

Mekhanik [1.2K]

Answer:

There was an improvement in accuracy. There was no change in precision.

Explanation:

The average mass after recalibration is closer to the mass of the standard, so the recalibration improved the accuracy (the measurement is closer to an accepted 'true' value).

The standard deviation did not change, so the precision (or how disperse the measurements are) was not affected.

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3 years ago

The student who answers the riddle will get the prize ? underline pronoun .

mariarad [96]

answer:

the student who answers the riddle will get the prize

explanation:

who is the pronoun
a pronoun is something that substitutes for a noun

6 0

3 years ago

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