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Kazeer [188]
2 years ago
5

When cations and anions join, they form what

Chemistry
1 answer:
uranmaximum [27]2 years ago
6 0

Answer:

ionic

Explanation:

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PLEASE HELP this is chemistry 12 points
Inessa05 [86]

Answer:

6.791

Explanation:

For proper significant figures with addition, you would use the significant figures of the number with lowest decimal place.  6.298 goes to the 10⁻³ place.  0.492712 goes to the 10⁻⁶ place.  You will go out to the 10⁻³ place.

6.298 + 0.492712 = 6.790712 ≈ 6.791

8 0
3 years ago
Which element will have the lower ionization energy? Be. Ba
sp2606 [1]
Boron would have the lower first ionization energy.
Be: 1s2 2s2
B: 1s2 2s2 2p1 -> electron from the p orbital is easier to eject than than electron from the s orbital.
6 0
3 years ago
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Which order shows the materials having the highest to lowest temperature after 15 minutes of being under the lamps?
diamong [38]

Answer:

The answer to the question is

<h2>A. Air, Soil, Sand, Water</h2>

Explanation:

8 0
3 years ago
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What is the main use of Cellulosic Ethanol?
KonstantinChe [14]

Explanation:

Cellulosic ethanol is ethanol (ethyl alcohol) produced from cellulose (the stringy fiber of a plant) rather than from the plant's seeds or fruit. It can be produced from grasses, wood, algae, or other plants. It is generally discussed for use as a biofuel.

3 0
2 years ago
A 20.9 ml sample of 0.267 m koh solution required 29.1 ml of aqueous acetic acid solution in a titration experiment. calculate t
andrey2020 [161]
The molarity of the acetic acid solution is calculated as below

calculate the moles of KOH used
moles =molarity x volume
= 20.9 x0.267 = 5.58 moles

write the reaction equation

KOH + CH3COOH = CH3COOK + H2O

since  the reacting ratio between KOH to CH3COOH is 1:1 the  moles of CH3COOH is also = 5.58  moles

molarity of CH3COOH = moles/volume

=5.58 /29.1 =0.192 M

4 0
3 years ago
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