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blagie [28]
3 years ago
13

Fill in the blanks to complete the following table. Symbol Ion formed Number of electrons in ion Number of protons in ion Cl ___

__ _____ 17 Te _____ 54 _____ Br Br− _____ _____ _____ Mg2+ _____ 12
Chemistry
1 answer:
Ray Of Light [21]3 years ago
4 0

Answer:

Cl has 17 electron and 17 proton

Te has 52 electrons and 52 proton and 76 neutrons

Br has 35 electrons

bromine ion Br- has 36 electrons and 35 protons

Ma+2 has 10 electrons and 12 protons

Explanation:

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zinc and lead or copper and tin

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After scientists use a careful process to gather evidence and establish scientific facts, which step most likely occurs next in
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3 years ago
I want to know the steps.
Artyom0805 [142]

The answer for the following problem is described below.

<em><u> Therefore the standard enthalpy of combustion is -2800 kJ</u></em>

Explanation:

Given:

enthalpy of combustion of glucose(ΔH_{f} of C_{6}H_{12} O_{6}) =-1275.0

enthalpy of combustion of oxygen(ΔH_{f} of O_{2}) = zero

enthalpy of combustion of carbon dioxide(ΔH_{f} of CO_{2}) = -393.5

enthalpy of combustion of water(ΔH_{f} of H_{2} O) = -285.8

To solve :

standard enthalpy of combustion

We know;

ΔH_{f}  = ∈ΔH_{f} (products) - ∈ΔH_{f} (reactants)

C_{6}H_{12} O_{6} (s) +6 O_{2}(g) → 6 CO_{2} (g)+ 6 H_{2} O(l)

ΔH_{f} = [6 (-393.5) + 6(-285.8)] - [6 (0) + (-1275)]

ΔH_{f} = [6 (-393.5) + 6(-285.8)] - [0 - 1275]

ΔH_{f} = 6 (-393.5) + 6(-285.8)  - 0 + 1275

ΔH_{f} = -2361 - 1714 - 0 + 1275

ΔH_{f} =-2800 kJ

<em><u> Therefore the standard enthalpy of combustion is -2800 kJ</u></em>

7 0
3 years ago
Where does a mid ocean ridge form?
Anit [1.1K]
<span>There are divergent boundaries where the plates are moving away from each other, causing magma to rise up. The boiling lava is almost immediately cooled and forms new sea floor crust.</span>
8 0
3 years ago
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