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sladkih [1.3K]
3 years ago
7

What is the net ionic equation for the following reactant? Al (s) + HCl (aq) -->

Chemistry
1 answer:
rosijanka [135]3 years ago
6 0

Explanation:

hope the picture above helps u to understand:)

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A sample of methane gas collected at a pressure of 0.884 atm and a temperature of 6.00 C is found to occupy a volume of 26.5 L.
Genrish500 [490]

Answer:

1.03mole

Explanation:

Given parameters:

Pressure = 0.884 atm

Temperature  = 6°C  = 273 + 6  = 279k

Volume  = 26.5L

Unknown:

Number of moles  = ?

Solution:

To solve this problem, we use the ideal gas equation:

          PV  = nRT

P is the pressure

V is the volume

n is the number of moles

R is the gas constant  = 0.082atmdm³mol⁻¹K⁻¹  

T is the temperature

        n  = \frac{PV}{RT}    = \frac{0.884 x 26.5}{0.082 x 279}    = 1.03mole

4 0
3 years ago
What is the compound name of 3h20
Feliz [49]
Trihydrate - basically 3 molecules of water. Unless you're referring to the molecule 3H2O used in measuring the total body water in the case it tritiated water.
8 0
3 years ago
a graduated cylinder has 35.0 mL of water in it before an object is dropped inside. the new volume is 38.5 mL. What is the volum
tino4ka555 [31]
Displaced volume:

final volume - initial volume

1 mL = 1 cm³

38.5 mL - 35.0 mL = 3.5 cm³

hope this helps!
4 0
3 years ago
The noble-gas notation for tin (Sn) will contain the symbol Ar Kr Xe Rn
KIM [24]

Answer: Noble-gas notation of Sn contains Kr.

Explanation: Tin ( Sn)  is an element having atomic number 50.

Nearest noble gas to this element is Krypton which has an atomic number 36.

Electronic configuration or noble-gas notation for Sn is written as :

Sn=[Kr]4d^{10}5s^25p^2

As seen from above, Noble gas Krypton having symbol 'Kr' is coming in the electronic configuration for Tin.

3 0
4 years ago
Read 2 more answers
Do you expect the O---O bond in H2O2 to be longer or shorter than the O---O bond in O2?
melomori [17]

Answer : The O-O bond in H_2O_2 will be longer than the O-O bond in O_2.

Explanation :

In the H_2O_2, the two oxygen atoms are bonded by the single bond and in O_2, the two oxygen atoms are bonded by the double bond.

As we know, the bond strength of double bond is greater than the single bond.

And the relation between the bond strength and bond length is,

\text{ Bond strength}\propto \frac{1}{\text{ Bond length}}

That means the higher the strength, the shorter will be the bond length.

Hence, the bond length of single bond will be longer than the double bond.

The structure of given molecule is shown below.

8 0
4 years ago
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