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Romashka [77]
3 years ago
10

Which metal would most likely have the highest melting point?

Chemistry
2 answers:
Sedbober [7]3 years ago
6 0
Tungsten has the highest melting point of ( 3422 degrees Celsius, 6162 degree Fahrenheit ).
user100 [1]3 years ago
3 0

Answer:

Tungsten

Explanation:

Tungsten is a chemical element denoted with a Chemical symbol of 'W'. It can be found on the periodic chart/table in period six(6), Group 6B (VIb), and it contains the d-orbital. It is a transition metal. Tungsten has an atomic number of seventy-four(74), and density of 19.3 grams/cm^3 at 20 °C.

Tungsten has a ground state electronic configuration of [Xe] 4f14 5d4 6s2. It was first discovered by Peter Woulfe.

Tungsten is a metal that has the most highest melting point. It has a melting point of 3410° C.

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Consider the following reaction mechanism:
snow_lady [41]

Answer:

  • <em><u>Step 2 (the slow step).</u></em>

Explanation:

The rate-determining step is always the slow step of a mechanism.

That is so, because it is the slow step which limits the reaction.

Imaging that for assembling a toy you have process of three steps:

  • 1. order ten pieces, which you can do in 1 minute: meaning that you can order order the pieces for 60/1 = 60 toys in 1 hour.

  • 2. glue the pieces and hold the toy until the glue hardens, which takes 1 hour: meaning finishingh 1 toy in 1 hour.

  • 3. pack the toy, which takes 2 minutes: meaning that you can pack 60/2 = 30 toys in one hour.

The time to glue and hold one toy until the glue hardens determines that you can assemble 1 toy in 1 hour and not 60 toys or 30 toys.

Thus, the step that determines the rate at which the reaction happens is the slowest step: step 2.

3 0
3 years ago
Read 2 more answers
How many significant figures are in 675000 m <br> 6<br> 4<br> 3<br> 5
Dima020 [189]

Answer:

There are 3 significant figures in 675000

Explanation:

The rules for significant figures:

- Non zero digit (from 1 upward) are always significant

- Trailing zero are not significant

- but zero in the presence of decimal are significant

In this case, the trailing zeros are not significant thus only the first 3 non zero digit are significant.  

4 0
3 years ago
Substance
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Answer:what are u asking to do?

Explanation:

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Three compounds containing potassium and oxygen are compared. Analysis shows that for each 1.00 g of O, the compounds have 1.22
kicyunya [14]
<span>The law of proportion states that elements combine in whole number ratios. The gram readings for K are multiples of each other, both in grams and moles.
Let us compare the ratios:
</span>2.44 grams/1.22 grams = 2
<span>4.89 grams/2.44 grams = 2</span>

<span>Therefore, Potassium always combines with Oxygen in a ratio of 2  is to 1.</span>
4 0
4 years ago
How many moles of NaOH must be dissolved in 1.00 L of water to make NaOH (aq) with a pH of 12.2?
adelina 88 [10]

Answer:

1.58 102 mol

Explanation:

I just looked it up on Quizlet.

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