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erma4kov [3.2K]
3 years ago
13

Which product forms from a reaction between calcium (Ca) and phosphorus

Chemistry
2 answers:
zzz [600]3 years ago
4 0

Answer:

Ca3P2

Explanation:

IrinaVladis [17]3 years ago
3 0

Answer:

A

Explanation:

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The reactant in a chemical reaction that remains when a reaction stops when the limiting reactant is fully consumed.Percent yield is the percent ratio of actual yield to theoretical yield. Experimental yield divides by the theoretical yield and it multiplies by 100%
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3 years ago
Our good friend and pseudo scientist, homer simpson, attempts to analyze 300 mg of an unknown compound containing only c and h b
iragen [17]
C_{x}H_{y} + O_{2} --\ \textgreater \  x CO_{2} + \frac{y}{2} H{2}O

540mg H_{2}O* \frac{1 mmol H_{2}O}{18 mg H_{2}O} =30 mmol H_{2}O

\\ \\30 mmolH_{2}O   -have  -  60 mmol H
\\  \\ 60 mmol H* \frac{1mg H}{1 mmol H}    =60 mg H
\\ \\300mg C_{x}H_{y} - 60 mg H= 240 mg C
\\ \\ 240 mgC* \frac{1mmol}{12mg} =20 mmol C

20 mmol C: 60 mmol H=1 mol C : 3 mol H


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3 years ago
Why do atoms emit light energy according to the bohr model?
denis23 [38]

Answer: According to the Bohr model, atoms emit light because excited electrons are returning to lower energy states, emitting the energy difference. This energy always has a specific wavelength because the electrons can only exist in set orbits. ... An emission spectrum is the frequencies of light emitted from an atom.

Explanation:

3 0
2 years ago
Which of the following is true for balancing equations?
algol [13]

Answer:

A.

Explanation:

An equation with the equal amount and proportion of atoms of each element on both sides of the reaction is commonly referred to as a balanced chemical equation.

The law of conservation of matter asserts that no observable and empirical change in the amount of matter occurs within a conventional chemical process. As a result, each element in the product would have the same equal amount or numbers of atoms as the reactants.

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3 years ago
Jati has a sample of a solid.Suggest how he could find out weather the solid is a pure substance or a mixture of substances?
Vsevolod [243]

Answer:

The melting point range of a substance is the temperature range from which the first crystal starts to melt, to the temperature at which the last crystal finishes melting. An impure substance is a type of mixture, so melting points can be used to find out if a substance is pure or impure.

pls mark brainiest

Explanation:

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