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3 years ago

Spontaneous generation is a mistaken idea because living things:

Chemistry

2 answers:

Oduvanchick [21]3 years ago

7 0

B. Are produced only by living things

Kryger [21]3 years ago

7 0

Answer:

Are produced only by living things.

Explanation:

Theory of spontaneous generation explains that living organisms are produced from the inorganic matter. For example: rats are originated from the wheat.

The theory of sponatneous genereation is not valid and considered as a mistaken idea. The living organisms are produed from the other living organisms or produced from the organic mattter only.

Thus, the correct answer is option (B).

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Part A Write balanced molecular equation for the reaction between nitric acid and calcium hydroxide. Express your answer as a ch

Basile [38]

Answer:

2HNO3+Ca(OH)2 = Ca(NO3)2+2H2O

Explanation:

The reaction between Nitric acid(HNO3)and Calcium hydroxide(Ca(OH)2) gives Calcium Nitrate( Ca(NO3)2 and Water( H2O)

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3 years ago

Will bromine water and magnesium react

bazaltina [42]

No. Magnesium, and Bromine are a chemical compound when put together.
Neither Bromine, nor Magnesium react with any sort of water.

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3 years ago

Un átomo X posee 29 protones y de carga +2 ¿Cuántos electrones tiene?

lesya [120]

Responder:

Explicación:

Dado que:

Número de protones en el átomo X = 29

Carga en el átomo X = +2

Si no hay cargo neto;

número de protones = número de electrones

Sin embargo, dado que el átomo X tiene una carga de +2 (dando 2 electrones).

Por lo tanto,

Número de electrones = número de protones - número de carga en el átomo)

Número de electrones = (29 - 2) = 27

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3 years ago

How many moles of H20 are produced from 6.4 moles of NaOH?

lord [1]

Answer:

hey

Explanation:

welcome back maman

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2 years ago

A balloon is filled to a volume of 1.50 L with 3.00 mol of gas at 25 C. with pressure and temperature held constant, what will b

bixtya [17]

Answer:

3.2L

Explanation:

PV=nRT

since pressure and temperature are held constant we have V=nR

R is a constant also,

Thus; $\frac{v1}{n1}=\frac{v2}{n2}$

v1=1.5L , n1=3mol, n2=1.4mol

$\frac{1.5}{3}=\frac{v2}{1.4}$

v2= $\frac{1.5}{3}*1.4$

v2=3.2L

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3 years ago