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3 years ago

If you live in the southern hemisphere, what season would you be experiencing in position C this diagram?

Chemistry

2 answers:

lisabon 2012 [21]3 years ago

7 0

The answer is spring it would be fall in the north and spring in the south

UNO [17]3 years ago

5 0

B)Summer is mostly likely the season there

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Oxygen gas, generated by the reaction 2KClO3(s)---2KCl(s)+3O2(g), is collected over water at 27•C in 3.72L vassel at a total pre

Julli [10]

Answer:

moles = 0.093 moles

Explanation:

In this case, we know that this reaction is taking plave in a vessel that has a 730 torr of total pressure.

The total pressure is a value obtained by:

Pt = Pwater + PO2

We need to know the pressure of O2, because then, with stoichiometry, we can calculate the moles of KClO3

The pressure of oxygen is:

PO2 = 730 - 26 = 704 Torr

Now, this pressure is in Torr, and we need to convert it to Atm, so:

704 Torr / 760 Torr = 0.9263 atm

Now, let's use the ideal gas equation:

PV = nRT

With this expression, we will calculate the moles of O2, and then, the moles of KClO3:

n = PV/RT

R = 0.082 L atm /K mol

P = 0.9263 atm

V = 3.72 L

T = 27 + 273 = 300 K

Replacing the data:

n = 0.9263 * 3.72 / 300 * 0.082

n = 0.14 moles

Finally, by stoichiometry, we know that 2 moles of KClO3 produces 3 moles of O2, so:

moles of KClO3 = 0.14 * 2/3 = 0.093 moles of KClO3

6 0

3 years ago

Which of the pollowing is

34kurt

Answer:

At transform plate boundaries, two plates move in opposite direction. Transform faults are the site of massive earthquakes. The San Andreas Fault is the boundary between the Pacific and North American plates.

6 0

2 years ago

A torsion balance has a sensitivity requirement (SR) of 4.5 mg. What is the MWQ of this balance if the maximum error permitted i

dybincka [34]

Explanation:

MWQ means the minimum weighable quantity.

Mathematically, MWQ = $\frac{Sensitivity}{1 - \text{fraction of accuracy}}$

or, MWQ = $\frac{sensitivity}{\text{fractional error}}$

It is given that sensitivity is 4.5 mg and maximum permitted error is 3.6%.

Therefore, fraction error = $\frac{3.6}{100}$ = 0.036

Hence, we will calculate MWQ as follows.

MWQ = $\frac{sensitivity}{\text{fractional error}}$

= $\frac{4.5 mg}{0.036}$

= 125 mg

Thus, we can conclude that the MWQ of the given balance is 125 mg.

7 0

3 years ago

How many moles of carbon dioxide molecules<br>are there in 50g of carbon dioxide?<br>

Elden [556K]

Answer:

3.011×1023 individual carbon dioxide molecules

4 0

3 years ago

Auroras are lights that appear at Earth’s northern and southern poles. What is the main cause of an aurora?

rusak2 [61]

A full understanding of the physical processes which lead to different types of auroras is still incomplete, but the basic cause involves the interaction of the solar wind<span> with the Earth’s magnetosphere. The varying intensity of the solar wind produces effects of different magnitudes, but includes one or more of the following physical scenarios. so the answer is A</span>

4 0

3 years ago

Read 2 more answers