A penny is described as a coin having thickness of about 0.019 m as follows:




Answer:
Na Cl ?
Explanation:
None of them but Sodium and Chlorine does make salt i think thats what you meant.
Answer:
D) 21.9
Explanation:
1 kilocalorie is equal to 4184 joules
0.001 kilocalorie is equal to 1 calorie
so 5.25 calorie=21.966 joules
Answer:
0.313 M NaOH
Explanation:
Got it right on the test.
Matter - anything with mass and occupies space
accuracy - an indication of how close a measurement is to the correct result
precision - the degree to which a measurement can be replicated
meniscus - the curved top surface of a liquid column
volume - spaced occupied measured in cubic units
density - mass of an object per unit volume