How many grams of n - Study guides, Class notes & Summaries

10. A bakery sells three varieties of muffins. On a recent morning, the bakery sold 41 blueberry muffins, 27 bananas nut muffins and 20 bread muffins. Estimate the total number of muffins sold. o o 70 o 90 o 100 o 80 11. What is the product of 5/8 x 18/4? (round off to the nearest ten thousandth) 2.8125 12. A girl and her dog are playing tug of war with a piece of rope. The girl pulls on the rope with a force of 165 newtons (N) towards rhe east. The dog pulls with a force of 190 N to...

TEST BANK FOR CHEMISTRY AN ATOMS FIRST APPROACH, 2ND EDITION BY STEVEN S. ZUMDAHL | COMPLETE CHAPTER 1-21 | . Chapter 1 - Chemical Foundations 1. Consider the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112 contains: a. 49 protons, 63 neutrons, 49 electrons. b. 49 protons, 49 neutrons. c. 49 protons, 49 alpha particles. d. 49 protons, 63 neutrons. e. 49 protons, 112 neutrons. ANSWER: d POINTS: 1 2. A hypothetical element consists of two isoto...

Which of these fractions equals 40%? A.) 1/4 B.) 2/5 C.) 4/5 D.) 5/2 answer: 2/5 Explanation: Check all the fractions A-D 2/5 = 0.4 Solve: 8 [7 - 3(12 - 2) / 5] A.) 0 B.) 8 C.) 16 D.) 64 answer: 8 Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients improved? A.) 60% B.) 40% C.) 36% D.) 24% answer: 60% How much simple interest will be paid on a $500 loan for 1 year if...

Chemistry 101 Final Exam Ivy Tech Questions And Correct Answers What is the mass percent of hydrogen in water? a: 5.60 b: 11.2 c: 33.3 d: 88.8 - ANSWER : b How many atoms are in 5.80 moles of He? a: 3.49 × 10^24 b: 6.02 × 10^23 c: 1.03 × 10^23 d: 4.00 - ANSWER : a What is the value of n when the empirical formula is C3H5 and the molecular mass is 205.4 g/mol? a: 10 b: 0.02 c: 140 d: 5 - ANSWER : d How many atoms are in 15.6 grams of silicon? a: 0.555 b: 3.34 × 10^23 ...

Test Bank Medical Surgical Nursing 9th Edition Ignatavicius Workman All Questions with accurate answers, latest update.Test Bank Ignatavicius Medical Surgical 9th edition Medical-Surgical Nursing (Miami Dade College) Document Content and Description Below Test Bank Medical Surgical Nursing 9th Edition Ignatavicius Workman All Questions with accurate answers, latest update Test Bank Ignatavicius Medical Surgical 9th edition Medical-Sur gical Nursing (Miami Dade College) Test Bank - Medical-Surg...

HESI A2 ENTRANCEEXAM FOR CHAMBERLAINCOLLGE OF NURSING 2023 QUESTIONS WITH ANSWERS CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen isin a compound, what would its oxidation number be? +1 2. What isthe oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion of Celsius to Fah...

temperature is related to KE how? temp is the average kinetic energy thermal energy is related to KE how? thermal energy is the total KE Brainpower enthalpy of fusion is ALWAYS greater than enthalpy of vaporization because? it has to break more bonds (solid --> liquid) the amount of heat depends on (2 factors) 1. the type of substance 2. the amount of the substance during a phase change does temperature change? NO if an archaebacerial species lives in a pool that is 0.01 M HCL wh...

LUOA chemistry semester exam review 2024 with complete solution How many molecules are in 3.9 moles of water? 2.3 x 10^24 molecules of water How many moles are in 3.75 x 10^24 molecules of CO2? 6.23 moles How many moles are in 1.16 x 10^25 atoms of H2CO3? 19.3 moles of H2CO3 The molar mass of Cu(OH)2 is _________ grams per mole. (Hint: Answers might vary slightly, but should still fall within an acceptable range for the correct answer) 97.55 How many moles are in 132.3 grams of car...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - Answer-9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? - Answer-85 An intensive property of a substance is independent of amount. - Answer-True Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic mass of Li is 6.941 amu. What ...

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