Chem 133 - Study guides, Class notes & Summaries

CHEM133 FINAL EXAM-with 100% verified solutions-2024

1. Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 2. Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 3. Question: What is the molecular mass of Br2? 4. Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 5. Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 6. Question: 1.00 mole of O2 contains the same number ...

1. Question: How many of the following numbers contain 3 significant figures? 2. Question: The melting point of picolinic acid is 136.5°C. What is the melting point of picolinic acid on the Fahrenheit scale? 3. Question: An aluminum can contain 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL) 4. Question: An aluminum can contain 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL) 5. Question: In 1828, the diameter of the U.S. dime w...

Attempt 1 Written: Nov 20, 2022 5:56 PM - Nov 20, 2022 8:05 PM Submission View Released: Nov 20, 2022 11:55 PM Your quiz has been submitted successfully. Question 1 2 / 2 points Which of the following groups contains no ionic compounds? HCN, NO2, Ca(NO3)2 PCl5, LiBr, Zn(OH)2 CH2O, H2S, NH3 NaH, CaF2, NaNH2 KOH, CCl4, SF4 View question 1 feedback Question 2 2 / 2 points Which is the longest bond? N≡N N=N N-N All three bond lengths should be about the same. View question 2 fee...

CHEM 133 FINAL EXAM GRADED A+ / CHEM133 FINAL EXAM GRADED A+

CHEM 133 FINAL EXAM SPRING 2023/2024 WITH VERIFIED SOLUTIONS GRADED A+

1. Question: A sample of oxygen gas has a volume of 3.52 L at 27°C and 800.0 torr. How many oxygen molecules does it contain? 2. Question: Consider a sample of gas in a container on a comfortable spring day. The Celsius temperature suddenly doubles, and you transfer the gas to a container with twice the volume of the first container. If the original pressure was 12 atm, what is a good estimate for the new pressure? 3. Question: Gas A and gas B are combined in a flask at initial pressures of 1...

CHEM 133 Lesson 5 quiz GRADED A+ / CHEM133 Lesson 5 quiz GRADED A+

1. Question: What is the volume, in cubic centimeters, of a brick that is 4.0 in × 2.7 in × 8.0 in? 2. Question: A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard scientific notation. 3. Question: The state of matter for an object that has both definite volume and definite shape is 4. Question: How many of the following numbers contain 3 significant figures? 5. Question: In the spring of 2008, gasoline cost £1.029 per Liter in London. On the ...