I should think that Yolanda should use litmus paper throughout the reaction as its color will tell when the mixture is neutral and therefore then, when she can stop adding either the hydrochloric acid or the sodium hydroxide or if one or the other needs to be added to make the solution approach neutral. Blue litmus paper stays blue in a neutral solution, but will turn red in an acidic solution.
Answer: Hang out with your friends, go outside, eat some food, or going to the bathroom
You didn't specify enough for me to understand clearly so if this is not your answer then I cannot help you.
Formula to calculate speed:
Speed=Distance/Time
Distance: 24 m
Time: 3 sec
24/3=8
So the correct answer is 8 m/s
Answer:
The top of the block has an area of 0.25m².
i) a Calculate the pressure on the top face of the block.
ii) The atmospheric pressure is 1.0 × 10⁵ Pa.
Calculate the pressure on the top face of the block due to the depth h of water.
iii) The density of sea water is 1020kg/m³.
Calculate the depth h.
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➷ Speed = distance / time
Substitute in your values:
Speed = 720 / 8
Speed = 90
They traveled 90 miles per hour
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➶ Hope This Helps You!
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