2 years ago

In an ion, the number of electrons is _____ to the number of protons

Chemistry

1 answer:

zaharov [31]2 years ago

3 0

Answer:

more/less depending on if it lost or gained electrons during the ionic bond process

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(a) the characteristic odor of pineapple is due to ethyl butyrate, a compound containing carbon, hydrogen, and oxygen. combustio

ella [17]

By stoichiometry and assume that:

CxH2xOy + zO2 -> xCO2 + xH2O

<span>
CO2: 9.48/44 = 0.215 mmol
H2O: 3.87/18 = 0.215 mmol
mass of C = 0.215 * 12 = 2.58 mg
mass of H = 0.215 * 2 * 1 = 0.43 mg
mass of O in ethylbutyrate = 4.17 - 2.58 - 0.43 = 1.11 mg
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natali 33 [55]

I think the answer is D

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3 years ago

Water has a specific heat of 4.186 J/g*C. How much energy would be required to raise the temperature of 10 g of water by 10 C?

Sladkaya [172]

Energy(heat) required to raise the temperature of water : 418.6 J

<h3>Further explanation </h3>

Heat can be calculated using the formula:

Q = mc∆T

Q = heat, J

m = mass, g

c = specific heat, joules / g ° C

∆T = temperature difference, ° C / K

Specific heat of water = 4.186 J/g*C.

∆T(raise the temperature) : 10° C

mass = 10 g

Heat required :

$\tt Q=m.c.\Delta T\\\\Q=10\times 4.186\times 10\\\\Q=418.6~J$

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What is the exact mass of one mole of carbon-12 atoms

love history [14]

One atom of carbon weighs exactly 12/6.022x10^23 = 1.9927x10^-23 grams<span>.</span>

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3 years ago

In an ion, the number of electrons is _____ to the number of protons​

In an ion, the number of electrons is _____ to the number of protons