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o-na [289]
3 years ago
13

What is the overall charge on the compound, sodium hydroxide? explain

Chemistry
1 answer:
Fiesta28 [93]3 years ago
7 0

Answer:

Overall, the electric charge of the compound {\rm NaOH} is 0.

Explanation:

Sodium hydroxide {\rm NaOH} is an ionic compound. This compound is made up of a large number of sodium ions {\rm Na^{+}} and hydroxide ions {\rm OH^{-}}.

As the superscripts suggest, each sodium ion {\rm Na^{+}} carries a charge of (+1) while each hydroxide ion {\rm OH^{-}} carries a charge of (-1).

The two types of ions are paired up at a one-to-one ratio within {\rm NaOH}. Charges on these ions would balance one another, such that the overall electric charge on the compound {\rm NaOH}\! would be 0.

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Match the following terms:
AURORKA [14]

Answer:

See below ~

Explanation:

<u>A to B</u>

⇒ Solid Phase

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<u>B to C</u>

⇒ Melting

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<u>C to D</u>

⇒ Liquid Phase

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<u>D to E</u>

⇒ Vaporizing

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<u>E to F and beyond</u>

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3 0
2 years ago
What is the molar mass of a gas if a flask with a volume of 3. 16 l contains 9. 33 grams of the gas at 32. 0°c and 1. 00 atm?
Serhud [2]

The molar mass of a gas if a flask with a volume of 3. 16 L contains 9. 33 grams of the gas at 32. 0°C and 1. 00 atm is  1.17g/mol

Calculation ,

In this question we have to fist find the number of moles of gas by using ideal gas equation and from the help of number of moles we can determine molar mass.

According to ideal gas equation which is also known as ideal law ,

PV = nRT                ...( i )

where P is the pressure of the gas = 1 atm

V is the volume of the gas in the flask with volume =  3. 16 L

R is the universal gas constant = 0.082 atm L/K mol

T is the temperature = 32. 0°C = 32 + 273 = 305 K

n is the number of moles = ?

Putting the value of Pressure P , volume V , temperature T , number of moles n and universal gas constant R in the equation (i) we get ,

1 atm ×3. 16 L = n× 0.082 atm L/K mol ×305 K

n = 1 atm ×3. 16 L / 0.082 atm L/K mol × 305 K = 0.126 mole

number of mole of a gas  = 0.126 mole = given mass/ molar mass

molar mass  = number of moles × Given mass =  0.126 × 9. 33 = 1.17g/mol

Learn about flask

brainly.com/question/14161066

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7 0
1 year ago
43 milliliters of water weighs 43 g. what is the density of the water?
Anastaziya [24]

Answer:

\rho =1g/mL

Explanation:

Hello,

In this case, since the density is defined as the ratio between the mass and the volume as shown below:

\rho =\frac{m}{V}

We can compute the density of water for the given 43 g that occupy the volume of 43 mL:

\rho =\frac{43g}{43mL}=1g/mL

Regards.

4 0
3 years ago
Boron<br> B<br> 10.811<br> Number of neutrons
andrew-mc [135]

Answer:

6

Explanation:

To determine the number of neutrons we round 10.8 to 11 and subtract the atomic number (5) and get 6; therefore, boron has 6 neutrons.

7 0
3 years ago
A balloon inflated in a room that is 34 C has a volume of 5.00 liters. The room is then heated to a temperature of 68 C. What is
Eduardwww [97]

Answer:-

5.554 litres

Explanation:-

Initial Volume V 1 = 5.00 litres

Initial temperature T 1 = 34 C + 273 = 307 K

Final temperature T 2 = 68 C + 273 = 341 K

Using the relation of Charles Law (V 1 / T 1) = (V 2 / T 2)

New Volume V 2 = V1 x T2 / T1

Plugging in the values

V2 = 5.00 litres x 341 K / 307 K

= 5.554 litres.

3 0
3 years ago
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