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MakcuM [25]
3 years ago
9

Sometimes the oxidation state of an analyte must be adjusted before it can be titrated.

Chemistry
1 answer:
alexdok [17]3 years ago
5 0

Answer:

Explanation:

True

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A gas has a pressure of 1.34 atm when the temperature is 237K. The gas is then heated until the temperature measures 312K. What
alexandr1967 [171]

The answer for the following question is answered below.

  • <em><u>Therefore the new pressure of the gas is 1.76 atm.</u></em>

Explanation:

Given:

Initial pressure of the gas = 1.34 atm

Initial temperature of the gas = 273 K

final temperature of the gas = 312 K

To solve:

Final temperature of the gas

We know;

From the ideal gas equation

P × V = n × R × T

So;

from the above equation we can say that

    <em>P ∝ T</em>

     \frac{P}{T} = constant  

     \frac{P_{1} }{P_{2} } = \frac{T_{1} }{T_{2} }

Where;

P_{1} = initial pressure of a gas

P_{2} = final pressure of a gas

T_{1} = initial temperature of a gas

T_{2} = final temperature of  a gas

    P_{2} = \frac{1.34*312}{237}

    P_{2}  = 1.76 atm

<em><u>Therefore the new pressure of the gas is 1.76 atm.</u></em>

6 0
3 years ago
Spontaneous combustion is characterized by: an explosion a self-starting fire rapid oxidation lightning
Vikki [24]
Spontaneous combustion is characterized by a self-starting fire.

Answer: Self-starting fire.
7 0
4 years ago
Read 2 more answers
How many moles in one gram of Calcium ??
kirill [66]

Answer:

0.0249 moles in 1 g of Ca

Explanation:

Let's think in the molar mass of Ca.

Ca = 40.08 g/mol

So 1 mol weighs 40.08 grams, or in the opposite 40.08 grams is the weigh of 1 mol

The rule of three will be:

40.08 g are contained in 1 mol

1 g may be contained in (1 . 1) / 40.08 = 0.0249 moles

8 0
3 years ago
Help I need a concluding sentence for my conclusion this is what i have so far: in conclusion we discovered that lamp oil has th
Liono4ka [1.6K]
I personally, would remove " Lamp oil is a very polar substance " And replace it with what the article you wrote, was about. For example, lets say you wrote about why people love ice cream, you could have the ending sentence say. " And that's why I wrote about why people love ice cream" Or something along those lines. I'd write a few more facts about it first,  don't just have one sentence saying a fact without any supporting detail, hope this helps! :)
3 0
3 years ago
A particular brand of gasoline has a density of .737g/mL at 25 C. How many grams of this gasoline would fill a 14.1 gal tank (1
Ivan

Answer: 5.06g/mL

Explanation: 14.1÷.737=19.131614654

19.131614654/3.78= 5.0612

6 0
3 years ago
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