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ankoles [38]
3 years ago
5

Which choice has prokaryotic cells?

Chemistry
1 answer:
creativ13 [48]3 years ago
8 0
The answer is E. coli
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More than ½ of the world's forests have been lost to deforestation. True False
RideAnS [48]
The answer is false
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What is the equilibrium constant expression for the reaction 2no2 --> 2no + o2?
UkoKoshka [18]
Equilibrium constants use the following set up

Keq= [products]/[reactants]

i have attached a drawing with the expression

4 0
3 years ago
Balanced equation between copper oxide and sulphuric acid
emmainna [20.7K]

Answer:

CuO + H₂SO₄ ⟶ CuSO₄ + H₂O

Explanation:

The most likely reaction is a <em>double displacement</em>, in which Cu and H trade partners.

This gives

CuO + H₂SO₄ ⟶ CuSO₄ + H₂O

The equation is already balanced, so no further work is necessary.

4 0
3 years ago
Vanillin is the compound containing carbon, hydrogen, and oxygen that gives vanilla beans their distinctive flavor. The combusti
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4 0
3 years ago
if a 500.0-g block of metal absorbs 5,016J of heat when its temperature changes from 20.00 Celcius, what is the specific heat?
ZanzabumX [31]
Correction: The temperature change is from 20 °C to 30 °C.

Answer:
               Cp  =  1.0032 J.g⁻¹.°C⁻¹

Solution:

The equation used for this problem is as follow,

                                                  Q  =  m Cp ΔT   ----- (1)

Where;
            Q  =  Heat  =  5016 J

            m  =  mass  =  500 g

            Cp  =  Specific Heat Capacity  =  ??

            ΔT  =  Change in Temperature  =  30 °C  -  20 °C  =  10 °C

Solving eq. 1 for Cp,

                                 Cp  =  Q / m ΔT

Putting values,
                                 Cp  =  5016 J / (500 g × 10 °C)

                                 Cp  =  1.0032 J.g⁻¹.°C⁻¹
4 0
3 years ago
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