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Slav-nsk [51]
2 years ago
14

From point A to point B, the car will . From point B to point C, the car will . Assuming the washer on the car is not blocked by

the book, once the car hits the book, the washer will still have . This experimental design will examine Newton’s law.
Chemistry
2 answers:
NeX [460]2 years ago
8 0

Answer:

From point A to point B, the car will

✔ accelerate

.

From point B to point C, the car will

✔ have constant velocity

.

Assuming the washer on the car is not blocked by the book, once the car hits the book, the washer will still have

✔ velocity

.

This experimental design will examine Newton’s

✔ first

law.

Explanation:

Natali5045456 [20]2 years ago
5 0

Answer:

Accelerate, Have Constant velocity, Velocity, and First

Explanation:

Got it right on edge. have a wonderful day!!!

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How many moles of Al will be consumed when 0.400 mol of Al2O3 are produced in
Vladimir [108]

Answer:

C) 0.800 mol

Explanation:

  • 4Al + 3O₂ → 2Al₂O₃

In order to <u>convert from moles of Al₂O₃ into moles of Al</u>, we'll need to use<em> the stoichiometric coefficients</em>, using a conversion factor that has Al₂O₃ moles in the denominator and Al moles in the numerator:

  • 0.400 mol Al₂O₃ * \frac{4molAl}{2molAl_2O_3} = 0.800 mol Al

So the correct answer is option C).

7 0
2 years ago
When 4.15 grams of silver nitrate is reacted with 1.11 grams of iron(III) chloride, which best represents the amount of silver c
PolarNik [594]

Answer:

The mass of silver chloride produced = 2.202 g

Explanation:

Equation of the reaction is given below

3AgNO₃(aq) + FeCl₃(aq) ----> 3AgCl(s) + Fe(NO₃)₃(aq)

molar mass of AgNO₃ = 170 g/mol

molar mass of FeCl₃ = 233.5 g/mol

molar mass of AgCl = 143.5 g/mol

3 moles of silver nitrate reacts with 1 mole of iron (iii) chloride to give 3 moles of silver nitrate

4.15 grams of AgNO₃ = 4.15/170 = 0.0244 moles of AgNO₃

1.11 grams of FeCl₃ = 1.11/233.5 = 0.0047 moles of FeCl₃

mole ratio of AgNO₃ to FeCl₃ = 0.0244/0.0047 = 5 : 1

therefore, FeCl₃ is the limiting reactant

0.0047 moles of FeCl₃ reacting will produce 0.0047 *  3 moles of AgCl = 0.0141 moles of AgCl

0.0141 moles of AgCl = 0.0141 * 143.5 g of AgCl = 2.02 g of AgCl =

Therefore mass of silver chloride produced = 2.202 g

3 0
3 years ago
I need help with this question. Thank you.
marishachu [46]
There are 76 atoms in total
3 0
2 years ago
Why do people use block and teckle systems to move heavy objects?
yaroslaw [1]
H. using a pulley system can reduce the load force, over a greater distance.<span />
8 0
2 years ago
Change 2.6 km/day to m/week
professor190 [17]
First, we need to transform km to meters.

1 km = 1000 meters

2.6 * 1000 = 2600

Now, there are 7 days in a week. 

Multiply.

2600 * 7 = 18,200

Final answer: 18,200 meters a week 
8 0
3 years ago
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