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4 years ago

A(n) bond forms when one atom gives up one or more electrons to another atom.

1 answer:

6 0

An ionic <span>bond forms when one atom gives up one or more electrons to another atom. In this type of bonding, there is complete transfer of electrons from one atom to another. Anions are the atoms that gained electron/s while cations are those that lost electrons. This bonding typically occurs between a metal and a nonmetal, wherein, the metal transfers electron/s to the nonmetal to achieve a full valence shell for both atoms. </span>

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11. Power can be defined as (2 points)

Ierofanga [76]

Answer:

the energy required to do work

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4 years ago

For the following reaction, identify whether the compound in bold is behaving as an acid or a base.

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Answer: acid

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4 years ago

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

yuradex [85]

Answer:

$\boxed{\text{2408 min}}$

Explanation:

The integrated rate law for radioactive decay is

$\ln\dfrac{N_{0}}{N_{t}} = kt$

1. Calculate the decay constant

$\begin{array}{rcl}\ln \dfrac{100}{90} & = & k \times 366\\\\1.054 & = & 366k\\\\k & = & \dfrac{1.054 }{366}\\\\k & = & 2.879 \times 10^{-4} \text{ min}^{-1}\\\end{array}\\\\$

2. Calculate the half-life

$t_{\frac{1}{2}} = \dfrac{\ln2}{k}\\\\t_{\frac{1}{2}} = \dfrac{\ln2}{2.879 \times 10^{-4} \text{ min}^{-1}} = \text{2408 min}\\\\\text{The half-life for decay is } \boxed{\textbf{2408 min}}$

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3 years ago

How does chemistry affect the food you eat?

Vladimir79 [104]

Answer:

Explanation:

6 0

3 years ago

If the value of kc at 25oc is 3.7108, and the equilibrium concentrations for n2 and h2 are 0.000105 m and 0.0000542 m, respectiv

frez [133]

Equation of decomposition of ammonia:

N2+3H2->2NH3

Euilibrium constant:

Kc=(NH3)^2/((N2)((H2)^3))

As concentration of N2=0.000105, H2=0.0000542

so equation will become:

3.7=(NH3)^2/(0.000105)*(0.0000542)^3

NH3=√(3.7*0.000105*(0.0000542)^3)

NH3=7.8×10⁻⁹

So concentration of ammonia will be 7.8×10⁻⁹.

5 0

4 years ago