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JulijaS [17]
3 years ago
9

What is the charge of 5protons 6 neutrons and 5 electrons

Chemistry
1 answer:
Darya [45]3 years ago
4 0

Answer:  

In this case the mass number would be 11.

Explanation:

The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons).

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Brainly.com
Inga [223]

The correct answer is  1.6 × 10¹⁰ .

The volume of ice chunk can be calculated by using the formula length × breadth × height

The length of the ice chunk given is 98 m, the breadth of the ice chunk given is 25 m and the thickness of the ice chunk given is 750 m,  

= 98 × 25 × 750 × 0.000189

= 347.9 m³

= 3.831 × 10¹⁴ gal

Water in swimming pool is 24000 gal

Therefore, number of pools that can be filled = 3.831 × 10¹⁴ / 24000

= 1.596 × 10¹⁰  

= 1.6 × 10¹⁰  


3 0
4 years ago
What is the density of CHCL3 vapor at 1.00atm and 298K?
Advocard [28]

Answer:

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

Explanation:

By ideal gas equation:

PV=nRT

Number of moles (n)

can be written as: n=\frac{m}{M}

where, m = given mass

M = molar mass

PV=\frac{m}{M}RT\\\\PM=\frac{m}{V}RT

where,

\frac{m}{V}=d which is known as density of the gas

The relation becomes:

PM=dRT    .....(1)

We are given:

M = molar mass of chloroform= 119.5 g/mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the gas = 298K

P = pressure of the gas = 1.00 atm

Putting values in equation 1, we get:

1.00atm\times 119.5g/mol=d\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 298K\\\\d=4.88g/L

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

7 0
3 years ago
What is the voltage of a galvanic cell with 1 silver electrode and 1 gold electrode?
Anestetic [448]
<h3>0.76 V</h3><h3 /><h3>The voltmeter shows that the standard cell potential of a galvanic cell consisting of a SHE and a Zn/Zn2+ couple is E°cell = 0.76 V.</h3><h3 />

7 0
3 years ago
Helppp what do I put​
jeka57 [31]

Answer:

(A & B) ; (F , H & D)

Explanation:

Each row in a periodic table represents elements with same energy levels. Here A & B both are in a same row. Similarly , F , H & D are also in same row. This signifies that they have same energy levels.

3 0
3 years ago
So my science teacher says if you put water in a cup and then put oil in it the oil is "more dense than water" witch means the o
laila [671]
The oil would sink, due to the density of it
6 0
4 years ago
Read 2 more answers
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