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Daniel [21]
1 year ago
13

0.0000062 kg in scientific notation

Chemistry
1 answer:
slava [35]1 year ago
8 0

Answer:

6.2 x 10^{-6}

Explanation:

You are moving the decimal point six spots to the right.

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How many kilocalories of heat are released when 75 g of steam at 100 degrees Celsius is converted to ice at 0 degrees Celsius?
VikaD [51]

Answer:

∴ Q = -7.52kCal

Explanation:

Using the formula for specific heat capacity:

Q = mcΔT

where ΔT = change in temperature (final - initial)  = (0 - 100)°C = -100°C

m = mass (g) = 75g

c = specific heat capacity = 4.2 J/g°C in water

⇒ Q = 75 × 4.2 × -100

= -31,500J

But 1J - 0.000239kCal

<u>∴ Q = -7.52kCal</u>

<u />

Let me know if I can be of further assistance.

5 0
3 years ago
HELP ME PLEASE!!!
777dan777 [17]

Answer:

A bonding that occurs between high electronegative atoms such are N, F, O and H atoms, is called a hydrogen bond. Hydrogen bond is a very strong bond. (C)

If hydrogen bonds are not formed between H atoms and N, F, O atom, then the atoms interact through dispersion forces (also known as london dispersion forces). Dispersion forces are weak and they are temporary forces formed by overlapping of orbitals. (B)

8 0
3 years ago
Will give 20 points and brainliest help
Blababa [14]

the answer you have chosen is correct

8 0
3 years ago
. A dough that is high in fat and sugar, and sometimes eggs.
murzikaleks [220]

Answer:

LEAN DOUGHS

Explanation:

A lean dough is a dough low in fat and sugar. Hard crust breads and rolls such as French and Italian breads and pizza crusts. Other white and whole wheat breads and dinner rolls. These are higher in fat and sugar and sometimes contain eggs and milk solids, because they are richer, they have a softer crust.

3 0
3 years ago
Read 2 more answers
You are taking a 578.23 mile trip to visit your grandparents. What is the distance of this trip in kilometers?
Tamiku [17]
578.23 miles = 930.6 kilometers (Rounded up to the nearest tenth.)
5 0
3 years ago
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