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3 years ago

Given the formula of a compound: (1) aldehyde (2) alkene (3) alkyne (4) alcohol

Chemistry

2 answers:

Nataly [62]3 years ago

5 0

Answer:

Number 3 alkyne is the answer

Explanation:

sweet-ann [11.9K]3 years ago

3 0

Answer: The answer is Alkyne.

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Use Table 1: Analysis of Decay in the laboratory guide to answer this question: Scientists find a piece of wood that is thought

Sladkaya [172]

<span>We are given the initial amount of 1 million carbon-14 atoms and the final amount which is 1/16 of the current atmospheric 14C levels. Also, the half life of carbon is </span>5,750 years. WE can use the decay formula

Aₓ = A₀e^-(ln2/t1/2)t
1,000,000(1/16) = (1,000,000)e^-(ln2/5750)t
t = 23,000 years

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3 years ago

Balance the chemical equation.Au plus HC l plus HNO 3 right arrow AuC l Subscript 3 Baseline plus NO plus Upper H 2 Upper OAu+HC

tino4ka555 [31]

Answer:

$Au+ 3HCl + HNO_3 \to AuCl_3+NO+2H_2O$

Explanation:

Chemical Equations are representations of chemical reactions in terms of the symbols and formulae of the elements and compounds involved. A chemical equation usually have the reactant at the left hand side while the product is on the right hand side.

A chemical Equation is of little or no value if is not in balanced equation. When an equation is balanced , the total number of atoms of any element on the left-hand side of it must be equal to the total number of atoms of that element on the right hand side.

in the given question; we are given a word problem of chemical symbol to compute and also to balance the chemical equation.

From below; the chemical equation can be written as:

$Au+ HCl + HNO_3 \to AuCl_3+NO+2H_2O$

From the above equation we will notice that it is not truly balanced ; so th balanced equation can be written as:

$Au+ 3HCl + HNO_3 \to AuCl_3+NO+2H_2O$

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3 years ago

there are tiny plants growing on rock fence after the several year . you observe something happened on the rock which of the fol

Bingel [31]

it is moss

Explanation:

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anygoal [31]

Answer:

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Is material that has a density of 0.2g/ml good for building a bridge or for making couch cushions

lisov135 [29]

D = 0.2 g / ml = 0.2 g / cm³
For example, density of steel is 7.85 g / cm³.
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