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nydimaria [60]
3 years ago
5

1.

Chemistry
2 answers:
Nata [24]3 years ago
8 0
Oregon trail would be the best answer
irga5000 [103]3 years ago
3 0

1: A. National Road

2: B. Mostly by barge across the Chesapeake and Ohio Canal

3: C. Wilderness Road

4: C. Transcontinental Railroad

5. C. Gila Trail


I took the quiz and I have confirmed that these are the correct answers, I hope this assists you.

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3 years ago
HELP FAST 100 PTSCalculate the amount of heat needed to convert 100.0 g of liquid water at 25 °C to water at 100 °C.
Alex Ar [27]

Answer:

31,380 Joules

Explanation:

Given Data:

Mass = m = 100 g

Temperature 1 = = 25 °C

Temperature 2 = = 100 °C

Specific Heat Constant = c = 4.184

Change in Temp. = ΔT = 100 - 25 = 75 °C

Required:

Heat = Q = ?

Formula:

Q = mcΔT

Solution:

Q = (100)(4.184)(75)

Q = 31, 380 Joules

Hope this helped!

~AH1807

4 0
3 years ago
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A transfer of heat within a liquid or gas that involves warm particles moving in currents is?
myrzilka [38]
It is called convection. When warm air, or current, moves up and disperse outwards as cold air, or current, moves into the warmer region.
3 0
3 years ago
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Soloha48 [4]

Answer:

Hey mate, here is your answer. Hope it helps you.

Explanation:

To show how substances in a chemical reaction interact and to keep track of all elements and the number of atoms in each element on each side of the equation.The purpose of writing a balanced chemical equation is to know: the reactants (starting material) and products (end results) that occur. the ratios in which they react so you can calculate how much reactants you need and how much products can be formed.

5 0
3 years ago
The volume of a single tungsten atom is 1.07×10-23 cm3. What is the volume of a tungsten atom in microliters?
vesna_86 [32]

Answer: 1.07×10^-20microlitre

Explanation:

1cm3 = 1000microlitres

1.07×10^-23 cm3 of tungsten = 1.07×10^-23 x 1000 = 1.07×10^-20microlitre

6 0
3 years ago
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