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Simora [160]
3 years ago
8

Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final

Chemistry
1 answer:
wel3 years ago
4 0

Answer:

The answer would be 1.5 kJ.

Explanation:

When you use the equation q = m x c x ∆T you will be able to find the energy gained or lost. The data for the water in this case is just there to distract you so ignore it. :D

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heeeeelp what type of reaction is shown below? Fe+ Ci2= FeCi3 (i need and explination of how i got the answer) heelp pleass
OlgaM077 [116]

Answer:

a chemical reaction

Explanation:

The fact that you are combining two different elements together makes this a chemical reaction. (hope that helps)

3 0
3 years ago
How does a calorie compare to a joule
Crank
A calorie is equal to 4.18 joules and 1000 calories is equal to 1 Calorie. A Calorie with a capital "c" is what food is measured in.
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How many hydrogen atoms are in 8.80 mol of ammonium sulfide
vladimir1956 [14]
Assuming that the ammonium sulfide formula is (NH4)2S then you can see that there are 2 nitrogen, 8 hydrogen and 2 sulfur atoms for every ammonium sulfide. If the amount of ammonium sulfide is 8.9 moles, then the number of hydrogen atoms should be: 8/1 * 8.9 mol= 71.2 moles
6 0
4 years ago
Which method is used to separate the following mixture (a) water + kerosene​
Ad libitum [116K]

Answer:

The separation of kerosene, oil, and water are immiscible liquids, so they can be separated funnel.

8 0
3 years ago
How to solve this: a small dog has consumed a dangerous amount of apap. the vet has ordered: rx acetylcysteine 150mg/kg/stat. yo
Fantom [35]
Given:
Stock dose/concentration of 20% Acetylcysteine (200 mg/mL)
150 mg/kg dose of Acetylcysteine
Weight of the dog is 13.2 lb

First we must convert 13.2 lb to kg:
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Then we must calculate the dose:
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Lastly, we must calculate the dose in liquid form to be administered:
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Therefore, 4.5 mL of 20% Acetylcysteine should be given.
3 0
3 years ago
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