Chemistry Questions and Answers (Q&A)

The volume occupied by the Ammonia gas is C. 67.2 Liters. Ammonia is a compound that is composed of both nitrogen and hydrogen. Ammonia is normally used in order to rouse people into consciousness when they faint. Take note that Ammonia gas can be dangerous when it is inhaled in large amounts....Read More

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Decreases

Increase in nuclear charge shrinks the atoms as we move from left to reigt

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In a math word problem, it is common to use a formula. In this case when the math word problem includes absorbance and wave length, then the formula should be used where the absorbance amount is equal to the amount of the molar absorptivity multiplied by the pathlength and multiplied that by...Read More

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That's weird. My answer is 3!

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None of the choices has the correct answer to this item. The correct formula for Lead IV Nitrate is Pb(NO3)4. Pb is the chemical symbol for the element Lead and NO3 for Nitrate. If they are to form a compound it will be Pb 4+ and (NO3)-. In-laws of chemistry, the ions in the lead must be put at...Read More

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Different atoms have different configurations depending on the shell of electrons surrounding them. When these atoms come together in different forms to form molecules, they give rise to different molecular configurations as well. Among the different configuration, BrF4 is a molecular structure...Read More

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False; there us only one Na molecule in the products but in the reactants there are two.

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The answer should be: D, because gases generally dissolve less at higher temperatures because line A shows an increase in solubility with an increase in temperature, which is not true for gases

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Should shift to the right, endothermic reaction because of the +187 kJ. Per Le Chatelier's Principle, an increase in the temperature of the system causes equilibrium to shift away from the heat to balance out the reaction.

The trick is figuring out if the reaction is endothermic or...
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Option D - Chromium (III) chloride is correct.
All elements in the periodic table are represented by symbols, this is done to ease the representation of elements in chemical equation in writing. It is also done to differentiate one element from another. Chromium is an element in gro...
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