Predict the precipitate when the double replacement reaction occurs: Ca(NO3)2(aq) + Na2CO3(aq) →
2 answers:
Answer:The precipitate formed is calcium carbonate.
Explanation:
double replacement reaction is the chemical reaction in which two reactant exchanges their respective ions to give new substance as a product.
AB+CD→CB+AD
In a given reaction:
When calcium nitrate reacts with sodium carbonate in aqueous they give white colored precipitate of calcium sulfate and aqueous solution of sodium nitrate.
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Answer:
Impulse, J = 2.1 kg-m/s
Explanation:
Given that,
Mass of baseball, m = 0.14 kg
It was approaching him at 50.0 m/s and, as a result, the ball leaves the bat at 35.0 m/s in the direction of the pitcher. We need to find the magnitude of Impulse delivered to the baseball.
The change in momentum is equal to the Impulse imparted to the ball i.e.
J = -2.1 kg-m/s
So, the Impulse delivered to the baseball is 2.1 kg-m/s