3 years ago

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Chemistry

1 answer:

Nat2105 [25]3 years ago

7 0

Answer:

I'm good at grammar or

Explanation:

I hope this Spanish

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Mercury(II) oxide (HgO) decomposes to form mercury (Hg) and oxygen (O2). The balanced chemical equation is shown below.

IceJOKER [234]

2HgO=2Hg + O2
433,18 g. = 32 g
x. = 250 g
x= 3 384,21875 g of HgO is needed

4 0

3 years ago

How many miles are in 215 grams of water

Irina18 [472]

You're off to a good start, now find the mass of H2O and put it under I mol,

then multiply 1 mol over the mass of H2O by 215 grams

3 0

3 years ago

T or F: The mass of an answer is so small it is rounded to 0 amu

Nutka1998 [239]

True because it doesn’t count as a full number

6 0

3 years ago

Which organelle in the table is correctly matched with its function?<br> which one is it??

Papessa [141]

Answer:

$\huge\boxed{\sf Ribosomes}$

Explanation:

<h3>Organelles and their function:</h3><h3><u>Lysosomes:</u></h3>

Lysosomes functions in the digestion of food of the cell.
It contains hydrolytic enzymes.

<h3><u>Vacuole:</u></h3>

Vacuole mostly functions in storage.

<h3><u>Mitochondrion:</u></h3>

Mitochondrion is the power house of the cell.

<h3><u>Ribosome:</u></h3>

Ribosome functions in protein synthesis.

$\rule[225]{225}{2}$

4 0

2 years ago

The Prandtl number, Pr, is a dimensionless group important in heat transfer. It is defined as Pr - Cp*mu/k where Cp is the heat

algol [13]

Answer:

The Prandtl number for this example is 14,553.

Explanation:

The Prandlt number is defined as:

$Pr=\frac{C_{p}*\mu}{k}$

To compute the Prandlt number for this case, is best if we use the same units in every term of the formula.

$\mu=1896 \frac{lbm}{ft*h}*\frac{1000 g}{2.205 lbm}*\frac{3.281 ft}{1 m}*\frac{1h}{3600s} =7938 \frac{g}{m*s}$

Now that we have coherent units, we can calculate Pr

$Pr=\frac{C_{p}*\mu}{k}=0.66*7938/0.36=14553$

8 0

3 years ago

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