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stich3 [128]
3 years ago
12

several of the flame tests were shades of red. what should be done in the laboratory to correctly identify one of these ions

Chemistry
1 answer:
yuradex [85]3 years ago
6 0
You have to do another test to record the differences.
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The elements beyond uranium on the periodic table of the elements are called the ------- elements
iris [78.8K]
The answer is elements
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3 years ago
I need help on this question
uranmaximum [27]

Answer:

When a front passes over an area, it means a change in the weather. Many fronts cause weather events such as rain, thunderstorms, gusty winds, and tornadoes. At a cold front, there may be dramatic thunderstorms. At a warm front, there may be low stratus clouds. Usually, the skies clear once the front has passed.

Explanation:

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3 years ago
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What is the primary cause of diffusion? some substances can dissolve in solvents heat added to a substance random internal motio
Nina [5.8K]

Answer:

random internal motion of atoms and molecule

Explanation:

The primary cause of diffusion is the random internal motion of atoms and molecules.

Randomness of atoms and molecules results in diffusion.

  • Diffusion is the movement of particles from a region of high concentration to that of lower concentration.
  • Substances often tend to spread out over the concentration gradient.
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3 0
3 years ago
Determine the type of reaction for the following equation:<br> C2H6 + O2à H2O + CO2
valkas [14]

Answer:

The type of reaction for the following equation is combustion equation.

Explanation:

Combustion reaction is defined as the chemical reaction in which a hydrocarbon reacts with oxygen gas to produce carbon dioxide gas and water molecule.

\text{hydrocarbon}+O_2\rightarrow CO_2+H_2O

The reaction given to us:

C_2H_6 + \frac{7}{2}O_2\rightarrow 3H_2O + 2CO_2

When 1 mole of ethane reacts with 7/2 moles of oxygen gas it gives 3 moles of water and 2 moles of carbon dioxide gas.

The type of reaction for the following equation is combustion equation.

4 0
3 years ago
Consider the proportionality below.
svet-max [94.6K]

Answer:

Ideal gas law

Explanation:

The expression is the ideal gas law when properly written;

              PV = nRT

where P is the pressure of the gas

V is the volume of the gas

n is the number of moles of the gas

R is the gas constant

T is the temperature

The ideal gas law is derieved from the three major gas laws;

--- Boyle's law, Charles's law and Avogadro's law

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3 years ago
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