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3 years ago

A very small equilibrium constant indicates that at equilibrium?

1 answer:

7 0

Answer: The magnitude of the equilibrium constant, K, indicates the extent to which a reaction will proceed: If K is a large number, it means that the equilibrium concentration of the products is large. ... If K is a small number, it means that the equilibrium concentration of the reactants is large.

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In the Fe/Cu Lab for every 1 mole of Fe reacted, 1 mole of Cu is made, therefor, for every 1 gram of Fe used, 1 gram of Cu is ma

Mandarinka [93]

Answer:

Explanation:

Since 1 mole of Fe reacted and 1 mole of Cu is produced.

Mass = molar mass × number of moles

Molar mass of Fe = 56 g/mol

Molar mass of Cu = 63.5 g/mol

Mass of Fe = 56 × 1

= 56 g

Mass of Cu = 63.5 × 1

= 63.5 g

Therefore, the statement is not correct.

3 0

3 years ago

Which of the following naming rules would apply to CaCO3?

Alja [10]

Metal (Ca) Polyatomic anion (CO3). You do not need to use the roman numeral because Ca is in group 1. The answer is metal + polyatomic or Calcium Carbonate

3 0

3 years ago

Read 2 more answers

Write a net ionic equation for the reaction that occurs when excess hydroiodic acid and nickel(II) sulfide are combined.

tiny-mole [99]

Explanation:

Step 1: Write the balanced "molecular" equation:

$2HI(aq) + NIS (s) → NiI₂(aq) + H₂S(g)$

Step 2: H₂S is written in molecular form. Consult the solubility and net ionic equation rules on the information page to determine which of the other substances will dissociate:

$2HI(aq) + NIS (s) → NiI₂(aq) + H₂S(g)$

yes no yes

Step 3: Dissociate all soluble salts, strong acids, and strong bases (except calcium hydroxide). Leave together all "not soluble" salts and weak acids or bases:

${2H₃O}^{ + } (aq) + {2I}^{ - } (aq) + NiS(s)→ { Ni}^{2 + }(aq) + {2I}^{ - }(aq) + H₂S(g) + 2H₂O(l)$

Step 4: Cross out "spectator ions" that appear on both sides of the reaction (these ions do not participate in the chemistry) and rewrite the "net" reaction using the smallest possible coefficients:

${2H₃O}^{ + } (aq) + NiS(s) → { Ni}^{2 + } (aq) + H₂S(g) + 2H₂O(l)$

4 0

3 years ago

What ecosystems would be likely to have the greatest diversity

ozzi

Biodiversity is all ecosystems on Earth that support habitats. The ecosystem that wiuodl most likely hsve the greatest diversity woodlouse be the the jungke bevcause itb need the most baviar it need the right climate and also need s goalpost ster for sll the animals tht ;ive there.<span />

5 0

3 years ago

Pls help! Due today.

iragen [17]

Answer:

Explanation:

% yields = <u>experimental yields</u> / theoretical yields )x 100%

=( 302 ÷ 320 )x 100% = 94.4 %

% error = 100% - 94.37% 5.64%

or u can use this law :

% error =(theoretical value - experimental value )/ theoretical value) x 100%

( 320 - 302 )/ 320 ) x 100% = 5.64%

8 0

3 years ago