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motikmotik
3 years ago
9

What would happen if a hot piece of iron were placed in a bucket of water at room temperature? How do you know?

Chemistry
1 answer:
BaLLatris [955]3 years ago
8 0

Answer: Eventually, the metal will cool down and warm up. Overtime the metal and the water will come to the same temperature. This happens because the hot metal is giving energy to the water.

Explanation:This process is called thermal equilibrium. It's the same thing as when you put a spoon in hot tea the spoon gets hot and the tea cools down. Hope this helps!!

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Oliver needs to standardize a base solution by titration with an acid solution of known concentration. He finds the volume of th
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Write a balance equation for the reaction between the analyte and the titrant.
Calculate the # of moles of titrant using the volume of titrant required and the concentration of titrant.
Calculate the # of moles of analyte using the stoichiometric coefficients of the equation.
Calculate the concentration of the analyte using the number or moles of analyte and the volume of analyte titrated.
7 0
2 years ago
1) A 3dm vessel can withstand a maximum internal pressure of 35 atmosphere, what is the highest temperature it can be heated to,
matrenka [14]

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Express the pressure 545 mm Hg in kilopascals.
Arlecino [84]

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6 0
2 years ago
An iron nail rusts when exposed to oxygen. According to the following reaction, how many moles of iron(III) oxide will be formed
Zigmanuir [339]

Answer:

0.453 moles

Explanation:

The balanced equation for the reaction is:

2Fe(s) + 3O2(g)  ==>  2Fe2O3

From the equation,  mass of O2 involved = 16 x 2 x 3 = 96g

                                 mass of Fe2O3 involved = [(2x26) + 3 x 16] x 2

                                                                            = 100g

                Therefore 96g of O2 produced 100g of Fe2O3

                                  32.2g of O2 Will produce   100x32.2/96

                                                   = 33.54g of Fe2O3

Converting it to mole using   number of mole = mass/molar mass

but molar mass of Fe2O3 = 26 + (16 X 3)

                                           = 74g/mole

Therefore number of mole of 33.54g of Fe2O3 = 33.54/74

                                                                           = 0.453 moles

5 0
3 years ago
Mario studied how far room temperature water would spurt out of a platic milk carton when 3mm holes were punched at different he
aliina [53]

Answer:

C. Different heights of holes in the container

Explanation:

The independent variable is the variable that changes. So the independent variable is C because the heights of the holes change.

8 0
3 years ago
Read 2 more answers
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