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adell [148]
3 years ago
8

A form of energy produced my a machine

Chemistry
1 answer:
sergij07 [2.7K]3 years ago
3 0
Sound, heat, light etc
You might be interested in
The density of honey is 1.42 g/mL. If you poured honey into a glass of water, would it sink to the bottom or float on top? Expla
m_a_m_a [10]

Answer:

The honey would sink to the bottom

Explanation:

A simple interpretation of Archimedes' principle is that, in water, the bodys with density lower than that of water will float on top of the water (That is, density <1g/mL). In the other way, a body with density higher than that of water will sink to the bottom.

As density of honey is higher than density of water:

<h3>The honey would sink to the bottom</h3>
3 0
3 years ago
How many grams of K2CO3 are needed to prepare a 400.0 mL of a 4.25M solution?
Basile [38]

Answer:

235 g

Explanation:

From the question;

  • Volume is 400.0 mL
  • Molarity of a solution is 4.25 M

We need to determine the mass of the solute K₂CO₃,

we know that;

Molarity = Number of moles ÷ Volume

Therefore;

First we determine the number of moles of the solute;

Moles = Molarity × volume

Moles of  K₂CO₃ = 4.25 M × 0.4 L

                           = 1.7 moles

Secondly, we determine the mass of  K₂CO₃,

We know that;

Mass = Moles × Molar mass

Molar mass of  K₂CO₃, is 138.205 g/mol

Therefore;

Mass = 1.7 moles × 138.205 g/mol

         = 234.9485 g  

         = 235 g

Thus, the mass of  K₂CO₃ needed is 235 g

7 0
4 years ago
An equal number of moles of glucose, C6H12O6, and KI are dissolved in equal volumes of water. Which solution has the higher: (12
Alinara [238K]

Answer:

I dont know the answer

Explanation:

I dont know the answer

3 0
3 years ago
4 and 5 pls and thank uuu
PtichkaEL [24]

Answer:

4. -ol

5. cyclic ketone

Explanation:

biology stuff

sorry it's hard to explain

5 0
2 years ago
How many moles of C2H5OH are needed to generate 106.7 g of H2O?
uysha [10]
1.97moles

106.7/(1.01x2+16)/3x1 = 1.97
4 0
3 years ago
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