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Simora [160]
3 years ago
11

In the field of chemistry, standard temperature and pressure conditions are:

Chemistry
2 answers:
soldi70 [24.7K]3 years ago
8 0

Answer : The correct options are, 1 atm pressure and 273 K temperature.

Explanation :

STP : STP stands for standard temperature and pressure.

At STP,

The temperature is, 0^oC or 273K or 32^oF

The pressure is, 1atm or 101.325kPa  or 760mmHg

The volume is, 22.4 L

Hence, the correct options are, 1 atm pressure and 273 K temperature.

rjkz [21]3 years ago
3 0

Standard Temperature and Pressure (STP) conditions are:


1) 760 mmHg

2) 1 atm

3) 273.15 K (0 C, 32 F)


I'm not too sure if you mistyped your first bullet, but if you did not, it is not included as an STP condition - it must be millimeters.

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Complete and balance each of the following equations for gas evolution reactions HCl(aq)+ZnS(s)>
DENIUS [597]

2HCl(aq) + ZnS(s) ⇒ ZnCl₂(aq) + H₂S(g)

<h3>Further explanation  </h3>

Equalization of chemical reactions can be done using variables. Steps in equalizing the reaction equation:  

  • 1. gives a coefficient on substances involved in the equation of reaction such as a, b, or c, etc.  
  • 2. make an equation based on the similarity of the number of atoms where the number of atoms = coefficient × index (subscript) between reactant and product  
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Reaction

HCl(aq) + ZnS(s) ⇒ ZnCl₂(aq) + H₂S(g)

1. give equation

aHCl(aq) + bZnS(s) ⇒ ZnCl₂(aq) + cH₂S(g)

2. make an equation

H, left=a, right=2c⇒a=2c(eq 1)

Cl, left=a, right=2⇒a=2⇒c=1(from eq 1)

Zn, left=b, right=1⇒b=1

So the equation :

2HCl(aq) + ZnS(s) ⇒ ZnCl₂(aq) + H₂S(g)

4 0
3 years ago
For the H, D and T tabulate three sub-atomic particles found in each of them
jonny [76]

Explanation:

The three sub atomic particles are;

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Electrons: 1

Protons: 1

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Neutrons: 1

Electrons: 1

Protons: 1

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Neutrons: 2

Electrons: 1

Protons: 1

3 0
2 years ago
During the formation of a chemical bond between two hydrogen atoms, which of the following statements is always true?
Wewaii [24]

A) Energy is released during the formation of the bond.

Explanation:

During the formation of a chemical bonds between two hydrogen atoms, energy is always released during the formation of this bond type.

Bond formation process is usually exothermic and energy is released during the formation of the bond.

  • Bond breaking process is an endothermic process in which energy is absorbed from the surrounding.
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For a bond formation process in which hydrogen atoms are bonded covalently, energy is usually released.

Learn more:

Enthalpy changes brainly.com/question/10567109

#learnwithBrainly

5 0
3 years ago
1. Multiple Choice
solong [7]

Answer:

#1 A

#2 B

#3 C

#4 c

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5 0
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What is in an inorganic molecule?
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