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-BARSIC- [3]
3 years ago
6

Look at the image below:

Chemistry
1 answer:
VLD [36.1K]3 years ago
5 0

Answer:

Transform

see image below:

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Sodium metal reacts with water to produce hydrogen gas according to the following equation: 2Na(s) + 2H2O(l)2NaOH(aq) + H2(g) Th
Maru [420]

Answer:

Number of moles of sodium reacted = 0.707 moles

Explanation:

P(H₂) = P(T) – P(H₂O)

P(H₂) = 754 – 17.5 = 736.5 mm Hg

Use the ideal gas equation which

PV= nRT, where P is the pressure V is the volume, n is the number of moles R is the Gas Constant and T is temperature

<u>Re- arrange to calculate the number of moles and using the data provided</u>

n = P x V/R x T

n =736.5 x 8.77/62.36367 x (mmHg/mol K) x (20 + 273)

n = 0.35348668

n = 0.353 moles H₂

<u>from the equation we know that</u>

0.353 mole H₂ x 2mole Na/1mole H₂, So

0.353 x 2 = 0.707 mole Na

The number of moles of Sodium metal reacted were 0.707 moles.

3 0
3 years ago
Given 50g and 27ml find density
Airida [17]

Answer:

1.85g per cubic centimeter (g/cm3

Explanation:

because density=mass/volume, so it will be 50g divide by 27ml =. 1.85g/cm3

5 0
1 year ago
Which oneof the following would best be measured useing kilometers
Alex
A. the distance between towns
5 0
3 years ago
Read 2 more answers
A student pours 800.0 mL of a 3.000 molar solution of sodium hydroxide into a 2.00 liter volumetric flask and fills the flask up
hammer [34]
M1V1 = M2V2
M1 = 3.000 M
V1 = 0.8000 L
M2 = ?
V2 = 2.00 L

M2 = M1V1/V2 = (3.000 M)(0.8000 L)/(2.00 L) = 1.20 M
5 0
2 years ago
A(n) ________ acid is an acid that can leave solution and enter the atmosphere. a(n) ________ acid is an acid that can leave sol
Aneli [31]

A volatile acid is an acid that can leave solution and enter the atmosphere.


7 0
3 years ago
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