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guajiro [1.7K]
4 years ago
12

Salt is the product formed by a reaction in which _______ atoms of an acid are replaced by the atoms of a metal

Chemistry
2 answers:
Elodia [21]4 years ago
4 0
A salt is the product formed by a reaction in which the hydrogen atoms of an acid are replaced by the atoms of a metal
Dafna1 [17]4 years ago
3 0
<span>The question says,'salt is the product formed by a reaction in which .............atoms of an acid are replaced by the atoms of a metal. The correct answer is hydrogen atoms. Salts are formed as a result of the hydrogen ions in the acid been replaced by metal ions or other positive ions in the base.</span>
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How molecules of N2 gas can be present in a 2.5 L flask at 50°C and 650 mmHg?
ratelena [41]

Answer:

0.482 ×10²³ molecules

Explanation:

Given data:

Volume of gas = 2.5 L

Temperature of gas = 50°C (50+273 = 323 k)

Pressure of gas = 650 mmHg (650/760 =0.86 atm)

Molecules of N₂= ?

Solution:

PV= nRT

n = PV/RT

n = 0.86 atm × 2.5 L /0.0821 atm. mol⁻¹. k⁻¹. L × 323 k

n = 2.15 atm. L /26.52 atm. mol⁻¹.L

n = 0.08 mol

Number of moles of N₂ are 0.08 mol.

Number of molecules:

one mole = 6.022 ×10²³ molecules

0.08×6.022 ×10²³ = 0.482 ×10²³ molecules

5 0
3 years ago
The object is traveling at a velocity of m/s.
marishachu [46]

Answer:

= 3.75m {s}^{ - 1}  \\

Explanation:

velocity =  \frac{displacement}{time} \\  =  \frac{15m}{4s}   \\  = 3.75m {s}^{ - 1}

3 0
4 years ago
In this forest, trees block much of the sunlight from reaching the ground. The branches of trees grow up and out to reach as muc
lions [1.4K]
<span>This example represents the challenge of survival of the fittest. In this situation, the trees have a distinct advantage due to their above average height. This puts them in the best position to gain the resources that they need to survive, most notably, the sun. The smaller plants, however, do not have this advantage, and lose out to the trees.</span>
8 0
3 years ago
ANSWER THESE 3 QUESTION AND I WILL GIVE OUT THE BRAINLIEST
Lana71 [14]

Answer:

A positive acceleration means and increase

A negative acceleration is a decrease

a zero acceleration is a constant movement so its not increasing or decreasing just constant

Explanation:

6 0
3 years ago
Read 2 more answers
Calculate the mass of 2.50 mol of methanol.
solmaris [256]

Answer:

60g

Explanation:

Moles = mass / mollar mass

Mass = Moles x mollar mass

Mass = 2.50 x 24

Mass = 60g

7 0
3 years ago
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