When comparing of the number of copper atoms in a penny, Ask an Expert

Academics

When comparing of the number of copper atoms in a penny with the number of people on Earth, this illustrates that:

A) in a copper penny, there is one atom for every person on Earth.

B) atoms are very small.

C) atoms are indivisible.

D) atoms are very large.

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M91091664

Have any Question?Write your Review or question?

Related Questions in Chemistry

C-14 analysis of the shroud of turin has shown that

C-14 analysis of the Shroud of Turin has shown that approximately 93% of the 14C present in living matter is still present in samples taken from the shroud. Based on this information, what is the approximate age of this ...

A student is doing the experiment chemical formulas of

A student is doing the experiment Chemical Formulas of Copper Sulfide by heating copper with excess of sulfur at very high temperatures using a Bunsen burner. Copper and sulfur react stoichiometrically and excess of sulf ...

Carbon-carbon single bonds in organic molecules have

Carbon-carbon single bonds in organic molecules have energies about350. kJ/mol. What is the corresponding wavelength? Could UV lamps(248 nm) be used to break these bonds?

Q1 in your gravimatric analysis experiment you weigh the

Q1: In your gravimatric analysis experiment, you weigh the precipitate of AgCl in a filtering crucible. You have to weight your filtering crucible first (three weighing measurement), then do the filtration. After drying ...

You react 1000 ml of a 101 m hbraq solution with 991 mlof a

You react 100.0 ml of a 1.01 M HBr(aq) solution with 99.1 mlof a 1.05 M KOH(aq) solution. The density of each solution is 1.04g/ml. The heat capacity of the calorimeter is 7.0 J/C. You observea ΔT of 6.3 C. Assume a 4.18 ...

A chemist adds 1900 ml of a 2810-6 moll mercuryi chloride

A chemist adds 190.0 mL of a 2.8*10^-6 mol/L mercury(I) chloride (Hg2Cl2) solution to reaction flask. Calculate the micromoles of mercury(I) chloride the chemist has added to the flask. Round your answer to 2 significant ...

Anbsp4260nbspgram sample of a hydrate ofnbspbai2nbspwas

A 42.60 gram sample of a hydrate of BaI 2 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 39.01 grams of the dehydrated compound remained. What is the formula of th ...

A mass of 815 gc2h4g reacts with excess oxygen if 162 g

A mass of 8.15 gC 2 H 4 ( g ) reacts with excess oxygen. If 16.2 g CO 2 ( g ) is collected, what is the percent yield of the reaction? C 2 H 4 ( g ) + 3O 2 ( g )® 2CO 2 ( g ) +2H 2 O( g )

When 514g of biphenyl c12h10 undergoes combustion in a bomb

When .514g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 degrees C to 29.4 degrees C. Find delta E(rxn) for the combustion of biphenylin kJ/mol. The heat capacity of the ...

A sample of cobalt ii chloride hydrate starts with a mass

A sample of cobalt (II) chloride hydrate starts with a mass of 3.35 g. After heating, the sample mass is 1.83 g. What is the molar ratio of water to cobalt chloride? What is the correct chemical formula

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert