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yKpoI14uk [10]
3 years ago
11

There is no exception to a (4 points) scientific law theory hypothesis pseudoscience

Chemistry
2 answers:
Maru [420]3 years ago
6 0

The correct answer is scientific law.

There is no exception to a  scientific law.

Scientific law is based on empirical observation of the real world. Scientific laws are a result of repeated scientific experiments that help us to understand some events of the Universe. Scientific laws hold true forever and are widely accepted with the scientific community.

Alex17521 [72]3 years ago
3 0

Answer;

Scientific law

Explanation;

A scientific law generalizes a body of observations. At the time it is made, no exceptions have been found to a law. Scientific laws explain things, but they do not describe them. One way to tell a law and a theory apart is to ask if the description gives you a means to explain 'why'.

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it.

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Circulating round the nucleus are the electrons in various orbits of different energy levels. Electrons are negatively charged and represented by the symbol 'e'. In the given image the number of protons are -6. Hence the element in question is Carbon as Carbon has the atomic number 6.
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2 years ago
How many grams of acetylene are produced by adding water to 5.00 g CaC2?
Murljashka [212]

Answer:

2.03125g of acetylene

Explanation:

First thing's first, we have to write out the balanced chemical equation;

CaC2(s) + 2H2O(l) → Ca(OH)2(aq) + C2H2(g)

Water is in excess, so CAC2 is our limiting reactant. i.e it determines the amount of product that would be formed.

1 mol of CaC2 produces 1 mol of C2H2

In terms of mass;

Mass = Number of moles * Molar mass

where the molar mass of the elements are;

Ca = 40g/mol

C = 12g/mol

H = 1g/mol

CaC2 = 40+ (2*12) = 64g/mol

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64g (1 * 64g/mol) of CaC2 produces 26g ( 1mol * 26g/mol) of C2H2

5g would produce x?

64 = 26

5 = x

Upon solving for x we have;

x = (5 * 26) / 64

x = 2.03125g

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3 years ago
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