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Leokris [45]
3 years ago
10

10.9010 has how many significant figures

Chemistry
2 answers:
inna [77]3 years ago
5 0

It has six significant figures. You count the 0s that come at the end because it shows you it wasn't rounded.

MAXImum [283]3 years ago
5 0

The number 10.9010 has six significant figures.

If a zero is between two numbers, it is counted as a significant figure.

For example: 101 would have 3 significant digits.

If a zero comes after a decimal point, it is counted as a significant figure.

For example: 1.00 would have 3 significant figures.

In this case, all of the zeroes in the number 10.9010 would count as significant figures and there would be 6 significant figures present.

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Consider the reaction when aqueous solutions of potassium hydroxide and ammonium nitrate are combined. The net ionic equation fo
Reil [10]

Answer: OH^-(aq)+NH_4^+(aq)\rightarrow NH_3(g)+H_2O(l)

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

KOH(aq)+NH_4NO_3(aq)\rightarrow KNO_3(aq)+NH_3(g)+H_2O(l)

The equation can be written in terms of ions as:

K^+(aq)+OH^-(aq)+NH_4^+(aq)+NO_3^-(aq)\rightarrow K^+(aq)+NO_3^-(aq)+NH_3(g)+H_2O(l)

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

The ions which are present on both the sides of the equation are potassium and nitrate ions and hence are not involved in net ionic equation.

Hence, the net ionic equation is :

OH^-(aq)+NH_4^+(aq)\rightarrow NH_3(g)+H_2O(l)

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What elements are being reduced and oxidized in this chemical formula?
dangina [55]

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Explanation:

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Sodium is getting oxidized because there is an addition of reaction with that element.

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</span>

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IRISSAK [1]
NaOH + HCl → H2O and NaCl.
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2 years ago
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