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Cloud [144]
3 years ago
9

In a chemical reaction , atoms are created/rearranged. The atom are joined together in the same/different arrangements after the

reaction. The total number of each type of atom is greater/less/The same after the reaction.
Choose the correct word from the slahs
Chemistry
1 answer:
Paul [167]3 years ago
4 0

Answer:

I think these are the answers:

Explanation:

created/rearranged

same/different

greater/less/same

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You are carefully watching the temperature of your melting point apparatus as it is heating up. At 132 C it is still a white sol
Lisa [10]

Answer:

See the answer below

Explanation:

<em>Since the experiment is set out to determine the melting point of the white solid, after missing the melting point due to distraction, there are two possible solutions and both involves a repeat of the experiment.</em>

1. The first one is to allow the molten substance to solidify again and then repeat the experiment. This time around, a critical attention should be paid to be able to notice the melting point temperature once the temperature gets to 132 C.

2. The second solution would be discard the molten substance and repeat the experiment with the a new solid one. Similarly, critical attention should be paid once the temperature gets to 132 C since it is sure that the melting point lies within 132 and 138 C.

6 0
4 years ago
How many moles of carbon dioxide are produced when 22.8g of butane react
Juliette [100K]
Butane undergoes combustion to produce carbon dioxide and water, expressed in the following reaction <span> C4H10 (g) + O2 (g) → 4CO2 (g) + 5H2O (g) . 1 mole of butane is to 4 moles of CO2. In this case, when 22.8 grams of butane or 0.393 moles of it, 69.18 grams of carbon dioxide is produced</span>
4 0
3 years ago
6. What is the pressure of 0.60 moles of a gas if its volume is 10.0 liters at 35.0°C?
denis-greek [22]

Answer: The pressure inside the cylinder will be 1.5 atm. The pressure can be calculated using the Ideal Gas Equation which relates the pressure, volume, temperature, and amount of gas to each other.  

Further Explanation

The Ideal Gas Equation is:  

PV = nRT

where:

P - pressure (in atm)

V - volume (in L)

n - amount of gas (in moles)

R - universal gas constant 0.08206 \frac{L-atm}{mol-K}

T - temperature (in K)

In the problem, we are given the values:

P = ?

V = 10.0 L (3 significant figures)

n = 0.60  moles  ( 2 significant figures)

T = 35.0 degrees Celsius (3 significant figures)

We need to convert the temperature to Kelvin before we can use the Ideal Gas Equation. The formula to convert from degree Celsius to Kelvin is:

Temperature \ in \ Kelvin = Temperature\ in \ Celsius \ + \ 273.15

Therefore, for this problem,

Temperature\ in \ K = 35.0 +273.15\\Temperature\ in \ K = 308.15

Solving for P using the Ideal Gas Equation:

P = \frac{nRT}{V} \\P = \frac{(0.60\ mol) \ (0.08206 \ \frac{L-atm}{mol - K}) \ (308.15\ K) \ }{10.0 \ L} \\P = 1.51\ atm

The least number of significant figures is 2,  therefore, the final answer must have only 2 significant figures.

Learn More

1. Learn more about Boyle's Law brainly.com/question/1437490  

2. Learn more about Charles' Law brainly.com/question/1421697

3. Learn more about Avogadro's Law brainly.com/question/1964205

Keywords: Ideal Gas Law, Gas Pressure

7 0
4 years ago
can I get some help.and no link I have the table already I just need the information​. it's graded please​
faltersainse [42]

Answer:

You did very well and its correct.

Explanation:

Great Job!

4 0
3 years ago
Which mineral property is easily observed but can be unreliable when it comes to mineral identification
patriot [66]
I believe it is the color
7 0
3 years ago
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