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laila [671]
3 years ago
13

What is the first step for response to an emergency situation?

Chemistry
1 answer:
Misha Larkins [42]3 years ago
5 0

Answer:

Back away from the situation and tell the supervisor/teacher

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Select the correct statement to describe when a sample of liquid water vaporizes into water vapor.
juin [17]
The answer is D.

Hope this helps
3 0
4 years ago
Read 2 more answers
Consider this equilibrium: N2(g) + 3H2(g) 2NH3(g) + energy. Certain conditions provide less than 10% yield of NH3 at equilibrium
alisha [4.7K]
The correct option is this: THE KEQ IS SMALL AND THE REACTANT ARE FAVOURED.
Since we are told in the question that the reaction give rise to only 10% product, this means that much product are not been produced, thus the reactants are favoured. Keq stands for the equilibrium constant of the reaction and it measures the rate at which the reactants are converted to products. For this reaction, the equilibrium constant is small and the backward reaction [reactant] is favoured.
5 0
3 years ago
In a chemical equation, if 2 atoms of chlorine are used in the reactants to form calcium chloride, how many formula units of cal
elena-s [515]

Explanation:

The given reaction is as follows.

    Ca + Cl_{2} \rightarrow CaCl_{2}

The number of elements on reactant side are as follows.

  • Ca = 1
  • Cl = 2

The number  of elements on product side are as follows.

  • Ca = 1
  • Cl = 2

Therefore, the equation is completely balanced.

Thus, we can conclude that only one formula units of calcium chloride must be part of the products.

5 0
3 years ago
A chemist adds 36.0 g of sodium chloride to 200 g of water at STP and all of the sodium chloride dissolves. What is the solute i
erica [24]

Answer:

The answer is the Sodium Chloride.

Explanation:

A solute is the minor component in a solution, dissolved in the solvent, and the sodium is being dissolved in water ( or the solvent).

3 0
2 years ago
there are 3 isotopes of the element Gz: Gz-80,Gz-81,Gz-83. the average atomic mass of Gz is 82.74. what is the most abundant iso
Romashka-Z-Leto [24]

The most abundant isotope is Gz-83 because the average atomic mass of Gz is closer to 83.

The average atomic mass is defined as the weigthed mean of the isotopes.

The mass of the isotopes is 80, 81 and 83 uma, respectively.

As the average atomic mass (82.74uma) is closer to the atomic mass of Gz-83 than the mass of the other isotopes, you can interpretate that the most abundant isotope is Gz-83.

Learn more about average atomic mass in:

brainly.com/question/21536220

5 0
3 years ago
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