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3 years ago

10

If two objects have the same amount of matter, the object with the higher temperature has the higher thermal energy. (science qu

iz!!!!)

2 answers:

Rom4ik [11]3 years ago

5 0

Answer:

is this a true or false question?

Ksenya-84 [330]3 years ago

4 0

Answer:

yes

Explanation:

thermal enegry is measured by heat or temp.

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? Answer the question below. Type your response in the space provided. What volume of a 2.5 M stock solution of acetic acid (HC2

Novay_Z [31]

Data:
$M_{concentrated} = 2.5\:mol$
$V_{concentrated} = ?$
$M_{dilute} = 0.50\:mol$
$V_{dilute} = 100\:mL\to0.100\:L$
<span>
Formula: Dilution Calculations

</span> $M_{concentrated} * V_{concentrated} = M_{dilute} * V_{dilute}$
<span>
Solving:

</span>
$M_{concentrated} * V_{concentrated} = M_{dilute} * V_{dilute}$
$2.5 * V_{concentrated} = 0.50 * 0.100$
$2.5V_{concentrated} = 0.05$
$V_{concentrated} = \frac{0.05}{2.5}$
$\boxed{\boxed{V_{concentrated} = 0.02\:L\:or\:20\:mL}} \end{array}}\qquad\quad\checkmark$ <span>

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3 years ago

The pressure inside a pressure cooker is 2.0 atm. How many minutes will it take to cook 1.0 pound of potatoes in a pressure cook

suter [353]

Answer:

time taken to cook on the pressure cooker = 100 seconds = 1.67 mins

Explanation:

8 0

3 years ago

Write an equation and solve the problem.

VMariaS [17]

Dexter already has 4 and he gets 38 so 4+38=42. Than 42/6=7. 7 plates on each table.

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3 years ago

Evan was in his bedroom when he heard the sound of breaking glass. He went out to the kitchen to see a vase broken on the floor

emmainna [20.7K]

The answer is d because he did not see the dog do it

7 0

3 years ago

Read 2 more answers

Fe2O3 + CO → Fe + CO2 If 2 moles of Fe2O3 react with 9 moles of CO, how many moles of each product are formed?

Y_Kistochka [10]

Answer: B. 4 moles Fe and 3 moles CO2

Explanation:

write a balanced chemical reaction

that is FeO3 + 3 CO → 2 Fe + 3CO2

2 moles of Fe2O3 reacted with 3 x2=6 moles of Co to form Fe and CO2 therefore CO was in excess and Fe2O3 was limiting reagent.

use the mole ratio to determine the moles of each product.

that is the mole ratio 0f Fe2O3 : Fe is 1:2 therefore the moles of Fe = 2x2=4 moles

the mole ratio of Fe2CO3 : CO2 is 1: 3 therefore the moles of Co2 = 2 x3 = 6 moles

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2 years ago

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