3 years ago

Which of the following is not a characteristic of reliable science?

Chemistry

1 answer:

natta225 [31]3 years ago

4 0

Answer:

Paid sponsorship by a company.

Hope this helps! :)

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Calculate the mass of 3.4 moles of nitric acid (hno3). explain the process or show your work by including all values used to det

balu736 [363]

Answer:

6.34917360^25g

Explanation:

It's been a while since I've done this type of problem so I'm not making any promises that its right hahaha, but I hope it helps anyway. Please let me know whether I'm right or not!

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2 years ago

Why does a solution of acid and sodium thiosulfate go cloudy

klemol [59]

The soulustion. turn cloudy due to the precipitation of Sulphur.

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3 years ago

a closed flask of air (0.250 L) contains 5.00 "puffs" of particles. The pressure probe on the flask reads 93 kPa. A student uses

Sergio039 [100]

Answer: New pressure inside the flask would be 148.8 kPa.

Explanation: The combined gas law equation is given by:

$PV=nRT$

As the flask is a closed flask, so the volume remains constant. Temperature is constant also.

So, the relation between pressure and number of moles becomes

$P=n\\or\\\frac{P}{n}=constant$

$\frac{P_1}{n_1}=\frac{P_2}{n_2}$

Initial conditions:

$P_1=93kPa\\n_1=5\text{ puffs}$

Final conditions: When additional 3 puffs of air is added

$P_2=?kPa\\n_2=8\text{ puffs}$

Putting the values, in above equation, we get

$\frac{93}{5}=\frac{P_2}{8}\\P_2=148.8kPa$

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3 years ago

Analyzing Characteristics of Outer Planets

Afina-wow [57]

Answer:also confused ?

Explanation:cant see full answer

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3 years ago

Please help me please

sweet-ann [11.9K]

Explanation:

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2 Iron powder and sand=magnetic separation

3 petrol and diesel= Fractional distillation

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