Counting Atoms Lab Report

F2 © Macmillan Learning NO₂ Incorrect # 3 20 F3 : 0: || $ 4 F4 078⁰ % 5 BeCL MacBook Air < 60 & 7

Spotify Web Playe.. M Common Ethical D... O CHEMICAL REACTIONS Using the Avogadro Number 22 A penny has a mass of 2.50 g and the Moon has a mass of 7.35 × 10*“ kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of pennies? Ox10 How many moles of pennies have a mass equal to the mass of the Moon? Explanation Check O 2022 McGraw Hill LLC. AlI Rights Re

Experiment 3: Determination of the Average Mass of a Penny  Number of pennies: 5 Mass of pennies (weighed together): 13.2 Mass of penny 1: 2.5 Mass of penny 2: 2.5 Mass of penny 3: 2.6 Mass of penny 4: 2.5 Mass of penny 5: 3.1 please help me with this part and show me all step  ??????? ???? ?? ? ?????=??? ?? ?ℎ? ?????????? ?????? ?? ?ℎ? ???? ???????/5  1. Total Mass of five pennies (weighed separately): 2. Average mass of a penny (using mass of five pennies weighed together)

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i think this is physics and chemistry so i hope you can help me to answer this, only TRUE OR FALSE

A sample of chloroform is found to contain 12.0 g of carbon, 106.4 g of chlorine, and 1.01 g of hydrogen. If the second sample of chloroform is found to contain 26.2 g of carbon, what is the total mass of chloroform in the second sample?Mass = ______ g chloroform

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26 =27 Decide which element probably has a density most and least similar to the density of strontium. Comparing density: lead krypton tin magnesium most similar to strontium least similar to strontium Continue 2021

Part C 7.7 g of H₂O Express your answer using two significant figures. 72H₂O Submit Part D nBaSO4 Submit LIVE ΑΣΦ 313 g of BaSO4 Express your answer using three significant figures. Tama Request Answer IVD ΑΣΦ → o Request Answer O ? ? mol mol COLO27 2740IN

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What are the Linear Measurements of  J. K. L.

Measurements 1. Exercise 3. a. Which 10 measurements shall have uncertainty values based on the images shown here and why? b. Explain Accuracy and Precision using the images in this slide -80 3. 2. 15 20 cm 100

Please help with question 8

Please help with question 8

In 3C02 (carbon dioxide gas) + 4H2 O (water), the ratio of carbon dioxide to water is tly sunny 4:3 3:4 O 1:1 O 2:1 F2 -0- @ F3 -0+ # F4 CO $ F5 % 5 F6 * F7 6 4- F8 & 7 F9 ★ 8 F10 28 9 F11 ( F12 0 A Prt Sc

I have the total mass incorrect . Can u please explain what am I doing wrong. Thanks