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enyata [817]
1 year ago
15

An atom with an atomic number of 10 and a mass number of 24 would have ________.

Chemistry
1 answer:
Anastaziya [24]1 year ago
6 0

An atom with an atomic number of 10 and a mass number of 24 would have 14 neutrons.

<h3>What is atomic number and mass number?</h3>

The term atomic number, conventionally denoted by the symbol Z.

Atomic number indicates the number of protons present in the nucleus of an atom, which is also equal to the number of electrons in an uncharged atom.

The mass number of a given atom is defined by the number of protons and neutrons present in the nucleus. In simple,

Protons + Neutrons = Mass Number

To learn more about atoms, refer

https://brainly.in/question/5318

#SPJ4

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Which of these has a higher hydrogen ion concentration? *
Genrish500 [490]

Answer:

pOH = 8.9

Explanation:

pOH+pH = 14

pH= 14- pOH

pOH = 8.9, pH=14-8.9 = 5.1

pOH = 5.5, pH=14-5.5 = 8.5

Than less pH , than more H+ ion concentration.

pH=5.1 <pH=8.5

pH=5.1 is more acidic solution

pH=5.1 or pOH=8.9 has a higher H+ concentration.

8 0
3 years ago
How much heat is absorbed when 30.00 g of C(s) reacts in the presence of excess SO2(g) to produce CS2(l) and CO(g) according to
Gnoma [55]

Answer:

120.0 kJ

Explanation:

  • First we convert the given mass of C to moles:

30.00 g C ÷ 12g/mol = 2.5 mol

  • The ΔH° value given by the problem, is the heat absorbed when 5 moles of C react.

So when we have<u> half the moles of C</u> (2.5 instead of 5.0), t<u>he heat absorbed will also be half</u>, thus the answer is:

  • 239.9 kJ / 2 = 120.0 kJ
4 0
3 years ago
How many seconds are in an exactly 40-hour work week?
Elza [17]
7 days = 1 week 60 seconds<span> = 1 minute.</span>
40 hr 60<span> min </span>60 sec<span> = </span>144,000<span> s. 
The answer is 144,000 seconds hopes this helps :)</span>
4 0
3 years ago
Read 2 more answers
Convert the following temperatures to degrees Celsius or Fahrenheit: (a) 95°F, the temperature on a hot summer day; (b) 12°F,
Elis [28]

Answer:

a) 35°C, the temperature on a hot summer day

b) -11.11°C, the temperature on a cold winter day

c)  a 38.88°C fever

d) a furnace operating at 1011.11°C

e) 523.67°F ( theoretically the lowest attainable temperature )

Explanation:

  • °C = ( °F - 32 ) / 1.8
  • °F = ( 1.8 * °C ) +32

a) 95°F ⇒ °C = ( 95 - 32 ) / 1.8 = 35°C

b) 12°F ⇒ °C = ( 12 - 32 ) / 1.8 = -11.11°C

c) 102°F ⇒ °C = ( 102 -32 ) / 1.8 = 38.88°C

d) 1852°F ⇒ °C = ( 1852 -32 ) / 1.8 = 1011.11°C

e) 273.15°C ⇒ °F = ( 1.8 * 273.15 ) + 32 = 523.67°F

4 0
3 years ago
What particle has a positive electrical charge and is found in the nucleus?
Virty [35]
Electron is the answer
4 0
2 years ago
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