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AnnyKZ [126]
2 years ago
13

15.0 cm3 of 1.0 mol/dm-3 (0.945g) HNO3 are reacted with 8.0 grams of CaCO­­3. Identify the limiting reactant and determine the t

heoretical yield of CO2 in dm3.
HNO3(aq) + CaCO3(s) → Ca(NO3)2 (aq) + H2O(l) + CO2(g)​
Mathematics
1 answer:
Mnenie [13.5K]2 years ago
5 0

Answer:

GRRR idek sorry I'm an anti romantic

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Step-by-step explanation:

that's what I got.................

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8 0
1 year ago
A car passes a landmark traveling at a constant rate of 55 kilometers per hour. One hour later, a second car passes the same lan
yarga [219]
Recall your d = rt, distance = rate * time

one car is going at 55kph, at say hmmm "t" time
the second car zooms by at 75kph, an hour later, thus " t + 1 "

notice, overtaking the 1st car, simply means, the second car comes from behind approaches the first car from behind and "gets there", at that very second, both cars have travelled a distance, say "d"

if the first car travelled "d" kilometers
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\bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
\textit{first car}&d&55&t\\
\textit{second car}&d&75&t+1
\end{array}
\\\\\\
\begin{cases}
d=55t\\
d=75(t+1)\\
-------\\
55t=75(t+1)
\end{cases}

solve for "t"
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