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gladu [14]
3 years ago
7

Research Question: Does the type of gasoline put in a car effect how fast the car can drive?

Chemistry
1 answer:
Jobisdone [24]3 years ago
6 0

Answer:

type of gasoline

Explanation:

Independent variable in an experiment is the variable that the experimenter changes or manipulates in order to bring out a measurable outcome or response.

In this experiment involving how the type of gasoline put in a car affect how fast the car can drive, the independent variable is the TYPE OF GASOLINE because it is what the experimenter changes in order to see it's effect on the speed of the car (dependent variable).

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How many moles of chlorine gas and 120°C and 33.3 ATM would occupy a vessel of 12 L?
Mashutka [201]
<h3>Answer:</h3>

12.387 moles

<h3>Explanation:</h3>

We are given;

Temperature of chlorine, T = 120°C

But, K = °C + 273.15

Therefore, T = 393.15 K

Pressure, P = 33.3 Atm

Volume, V = 12 L

We are required to calculate the number of moles of chlorine gas,

To find the number of moles we are going to use the ideal gas equation;

PV = nRT

R is the ideal gas constant, 0.082057 L.atm/mol.K

Therefore, rearranging the formula;

n = PV÷RT

Hence;

n = (33.3 atm × 12 L) ÷ (0.082057 × 393.15 K)

  = 12.387 moles

Therefore, the number of moles of chlorine are 12.387 moles

8 0
4 years ago
How many grams of Al are needed to react with 63.0 g of FeO
Tema [17]

The amount of Al required will be 15.77 grams

<h3>Stoichiometric problem</h3>

First, the equation of the reaction:

2Al +3 FeO -- > Al_2O_3 + 3Fe

The mole ratio is 2:3.

Mole of 63.0 g of FeO = 63/71.84 = 0.8769 moles

Equivalent moles of Al = 0.8769 x 2/3 = 0.5846 moles

Mass of 0.5846 moles Al = 0.5846 x 26.98 = 15.77 grams

More on stoichiometric problems can be found here: brainly.com/question/14465605

#SPJ1

4 0
2 years ago
Read 2 more answers
Use the drop-down menu to complete the sentence.
Paha777 [63]

Answer:

It's called carbon dioxide.

Explanation:

CO_{2} consists of 1 carbon atom bonding with two oxygen atoms.

5 0
3 years ago
Read 2 more answers
You stir a cup of hot chocolate with a spoon. Why does the spoon keep its shape in the drink?
luda_lava [24]

a because the spoon is a solid and the hot chocolate is a liquid.So that means that spoon moves slower than a liquid.


                                                                                                        

6 0
4 years ago
Read 2 more answers
What type of ion does neutral produces
Yuki888 [10]

Answer:

Neutral ions

Explanation:

Because they have a neutral charge They can only produce neutrally.

4 0
4 years ago
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