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Mumz [18]
3 years ago
15

Whats the largest watershed

Chemistry
1 answer:
Firdavs [7]3 years ago
6 0
In the U.S.A, it is the Mississippi River Basin. But then there is the Gulf of Mexico.
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How many molecules of ascorbic acid(vitaminC,<br> C6H8 O6 )are in a 500 mg<br> tablet?
Olegator [25]

Answer:

1.71 × 10²¹ molecules

Explanation:

1 gram is equal to 1000 milligrams. The mass in grams corresponding to 500 mg is:

500 mg × (1 g / 1000 mg) = 0.500 g

The molar mass of ascorbic acid is 176.12 g/mol. The moles corresponding to 0.500 grams of ascorbic acid are:

0.500 g × (1 mol/ 176.12 g) = 0.00284 mol

In 1 mole of ascorbic acid, there are 6.02 × 10²³ molecules of ascorbic acid (Avogadro's number). The molecules in 0.00284 moles are:

0.00284 mol × (6.02 × 10²³ molecules/ 1 mol) = 1.71 × 10²¹ molecule

7 0
2 years ago
Read 2 more answers
What term is best associated with protons or neutrons escaping to become more stable?
Gre4nikov [31]
The correct answer is C
3 0
3 years ago
What does the cell theory state?
strojnjashka [21]

C, that cells cannot be created nor destroyed.

Cells are produce by other cells. Cells can not be man-made nor destroyed.

6 0
2 years ago
What 3 things drive the pressure of a gas up
Sedaia [141]

Answer:

<h3>Density of the Gas</h3>

Explanation:

More molecules mean more hits against the container walls. Increasing the number of particles means you have increased the density of the gas. This third factor is part of the ideal gas law, which explains how these three factors -- temperature, volume and density -- interact with each other.

4 0
2 years ago
How is the periodic table arranged
Mashcka [7]
The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
8 0
2 years ago
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