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Hunter-Best [27]
3 years ago
6

1. Diversas industrias metalúrgicas operan en base al derretimiento de los metas en grandes hornos industriales, para poder darl

es forma o hacer aleaciones. que tipo de estado es
Chemistry
1 answer:
Mandarinka [93]3 years ago
5 0

Answer: liquid state. (Estado liquido)

Explanation:

I will answer in English.

When you want to give a shape to a metal, the best option is using metal in liquid state (because as you know, the liquids take the shape of the container where they are in).

So the industries heat the metals until the metals reach the fusion point (so they change of phase, from solid to liquid)

Then the liquid metal is placed in a special container with the wanted shape.

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The ionic charge of an element in Group 6A is 2–.<br><br> -True<br><br> -False
natita [175]

True. These ions are of a 2- charge. Oxygen is an example. It will form a 2- charge if ionize.  

4 0
3 years ago
Convert 7.50 grams of glucose C6H12O6 to moles
Lera25 [3.4K]

Answer:

The number of mole is 0.04167mole

Explanation:

To convert gram to mole, we need to calculate the molecular weight of the compound

C6H12O6

C - 12

H - 1

O - 16

Molecular weight = 6 * 12 + 1 *12 + 6 * 16

= 72 + 12 + 96

= 180g/mol

To covert gram to mole

Therefore,

= 7.50g/ 180g/mol

= 0.04167 mole of glucose

3 0
3 years ago
The time necessary for the decay of one- half sample of a radioactive substance is a _____. mass defect daughter half life nucli
Mazyrski [523]

Answer: half life

Explanation: Radioactive decay follows first order kinetics and the time required for the decay of a radioactive material is calculated as follows:

t=\frac{2.303}{k}\hspace{1mm}log\frac{x}{a}

t= time required

k= disintegration constant

x= amount of substance left after time t

a= initial amount of substance

when one half of the sample is decayed, one half of the sample remains and t can be represented as t_{1/2}

at t= t_{1/2}, x=\frac{a}{2}

t_{1/2}=\frac{2.303}{k}\hspace{1mm}log\frac{a/2}{a}

t_{1/2}=\frac{0.693}{k}

3 0
3 years ago
Read 2 more answers
Help please I am so lost my teacher is no help
uranmaximum [27]

Answer:

B - CALCIUM

Explanation:

Hopes it helps

6 0
3 years ago
Is sulfur hexafluoride a compound?
bekas [8.4K]

Answer:

Sulfur hexafluoride, also known as sulfur(VI) fluoride, is a chemical compound. Its chemical formula is SF6. It contains sulfur in its +6 oxidation state.

4 0
3 years ago
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