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ahrayia [7]
3 years ago
13

A 200-g sample of a metal absorbs 3,080 J as it is heated from 20°C to 60°C. What is the identity of the sample?

Chemistry
2 answers:
kati45 [8]3 years ago
8 0

Answer:

Hello! Your answer would be, A)Iron

Explanation:

Hope I helped! Ask me anything if you have any questions! Brainiest plz! Hope you make an 100% and have a wonderful day! -Amelia♥

navik [9.2K]3 years ago
7 0

Answer:

A.) Iron ✔

Explanation:

Hey! :3 I hope this helps you

Have a wonderful day and i wish you luck on the test/exam/worksheet/workbook you are working on! :)

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Answer:

8.9 or 8.979

Explanation:

When you add or subtract, you assign significant figures in the answer based on the number of decimal places in each original measurement.

5 0
3 years ago
Most reactions give off energy in the form of heat and are called what​
Alexxandr [17]
That would be exothermic. Exothermic reactions are processes that release energy, usually in the form of heat or light. Energy is released because the total energy of the products is less than the total energy of the reactants.
4 0
3 years ago
Read 2 more answers
How many grams of H2O are produced when 35.0 g of NaOH reacts with 17.5 g of CO,?
zhenek [66]

Answer:

2NaOH + CO2 -> Na2CO3 + H2O

1) Find the moles of each substance

\eq n(NaOH)=\frac{35.0}{22.99+16.00+1.008\\}\  =\frac{35.0}{39.998} \ = 0.8750437522 moles\\n(CO_{2} ) = \frac{17.5}{12.01+32.00} = \frac{17.5}{44.01} = 0.3976369007 moles\\

2) Determine the limitting reagent

\\NaOH = \frac{0.8750437522}{2} = 0.4375218761\\\\

∴ Carbon dioxide is limitting as it has a smaller value.

3) multiply the limiting reagent by the mole ratio of unknown over known

n(H2O ) = 0.3976369007 × 1/2

             = 0.1988184504 moles

4) Multiply the number of moles by the molar mass of the substance.

m = 0.1988184504 × (1.008 × 2 + 16.00)

   = 0.1988184504 × 18.016

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Explanation:

6 0
3 years ago
Show me the periodic table
yawa3891 [41]
I think this is what you wanted, so good luck!

8 0
3 years ago
What is the name for this type of reproduction?​
mario62 [17]

Answer:

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Reproduction is defined as the production of individuals of the same species, that is the next generation of the species.

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There are basically two types of reproduction - asexual and sexual.

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Asexual reproduction involves only one parent and the offspring is

genetically similar to the parent ...

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The different types of asexual reproduction are fission, budding, fragmentation, spore formation and vegetative propagation.

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Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete (such as a sperm or egg cell) with a single set of chromosomes combines with another to produce a organism composed of cells with two sets of chromosomes .

Asexual reproduction is a type of reproduction which does not involve the fusion of gametes or change in the number of chromosomes. The offspring that arise by asexual reproduction from a single cell or from a multicellular organism inherit the genes of that parent.

Explanation:

Your very welcome!!! :) :) :)

4 0
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