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postnew [5]
1 year ago
9

What is true about the breakdown of starch?

Chemistry
1 answer:
grin007 [14]1 year ago
8 0

Answer:

Option C

Explanation:

Organisms break down starch into glucose

  • Which is a carbohydrate subunit
  • The organisms are found in our digestive system helps in break down of starch and turns them into glucose
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Which of the following is composed of many cells?
vodomira [7]

Answer:

Bacteria

Explanation:

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3 years ago
Which of the following shows a valid combustion reaction?
marta [7]

Answer:   C2H4 + 3O2 → 2CO2 + 2H2O

Explanation:

2Al + 2O2 → 2AlO + O2            Not Balanced Properly:  2Al + O2 = 2AlO  

C2H4 + 3O2 → 2CO2 + 2H2O  Looks Good

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2 years ago
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What physical change happens to atoms and molecules in a solution that is strongly heated in a flame? Is there a phase change? I
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When atoms and molecules speed up or slow down, that is a physical change. When they change state from liquid to solid or from gas to liquid, that is a physical change. ... The ions or molecules can still come back together to form the original substance

6 0
2 years ago
Jason measures three values of density for his unknown. The values he obtains are: 1.019 g/mL 1.498 g/mL 1.572 g/mL What is the
jok3333 [9.3K]

<u>Answer:</u> The average of the densities of the given measurements is 1.363 g/mL

<u>Explanation:</u>

The equation used to calculate density of a substance is given by:

\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}

We are given:

First measured value of density, d_1 = 1.019 g/mL

Second measured value of density, d_2 = 1.498 g/mL

Third measured value of density, d_3 = 1.572 g/mL

Putting values in above equation, we get:

\rho_{mix}=\frac{d_1+d_2+d_3}{3}

\rho=\frac{1.019+1.498+1.572}{3}\\\\\rho=1.363g/mL

Hence, the average of the densities of the given measurements is 1.363 g/mL

7 0
2 years ago
What is the molar mass of NH4?
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Answer:

NH4

Explanation:

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