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REY [17]
3 years ago
5

Monique hears on the weather report that cold, dry air from Canada is going to hit warm, moist air from the Gulf of Mexico. She

should expect a:
Chemistry
1 answer:
lara [203]3 years ago
4 0

Answer:

She should suspect a Tornado.

Explanation:

Tornadoes form when warm humid air collides with cold dry air. The denser the cold air is pushed over warm air, causing an updraft. As soon as it reaches the ground a tornado is formed.

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Answer question number 2
kipiarov [429]

Answer:

it would be the second choice

3 0
3 years ago
Determine the mass of 9.2 x 10^18 molecules of dinitrogen tetroxide.
steposvetlana [31]

Answer: 1.4x10-3 g N2O4

Explanation: First convert molecules of N2O4 to moles using Avogadro's Number. Then convert moles to mass using the molar mass of N2O4.

9.2x10^18 molecules N2O4 x 1 mole N2O4 / 6.022x10²³ molecules N2O4

= 1.53x10-5 moles N2O4

1.53x10-5 moles N2O4 x 92 g N2O4/ 1 mole N2O4

= 1.4x10-3 g N2O4

4 0
3 years ago
Which compound is an example of an amino acid?
nikdorinn [45]
Hi, the answer is a. glycine. hope i helped!
5 0
3 years ago
Read 2 more answers
A block has a mass of 30g and dimensions of 1.5cm by 4.8cm by 2.3cm. Calculate the density (round to TWO sig figs).
adelina 88 [10]

Answer:

1.8g/cm³

Explanation:

Density is defined as the ratio of the mass of a substance and the space this subtance occupies. It is usually given in g/cm³.

The mass of the block is 30g.

The volume this mass occupies is 1.5cm × 4.8cm × 2.3cm = 16.56cm³.

The density is:

30g / 16.56cm³ =

<h3>1.8g/cm³</h3>
5 0
3 years ago
4. A 134.0 g sample of an unknown metal is heated to 91.0°C and then placed in 125 g of water at 25.0°C. The final temperature o
Gnom [1K]

Answer:

Oi ima french Not really

Explanation:

7-7 = 0 andbecause it is so ima done

7 0
3 years ago
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