10. The Madrigal family grills every Sunday after their weekly soccer match with the Dorsey family. To grill, however, they need a total of 246.44 g of propane gas. How many protons are there of carbon in 264.44 g of propane gas? 11. Diego is saving turtles from a plastic net and must swim across 1.403 x 1034 molecules of water. How many liters of water does Diego need to swim through to get to the turtles?

10. The Madrigal family grills every Sunday after their weekly soccer match with the Dorsey family. To grill, however, they need a total of 246.44 g of propane gas. How many protons are there of carbon in 264.44 g of propane gas? 11. Diego is saving turtles from a plastic net and must swim across 1.403 x 1034 molecules of water. How many liters of water does Diego need to swim through to get to the turtles?

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter1: Matter, Measurements, And Calculations

Section: Chapter Questions

Problem 1.12E

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You have two distinct gaseous compounds made from element X and element Y. The mass percents are as follows: Compound I: 30.43% X, 69.57% Y Compound II: 63.64% X, 36.36% Y In their natural standard states, element X and element Y exist as gases. (Monatomic? Diatomic? Triatomic? That is for you to determine.) When you react gas X with gas Y to make the products, you get the following data (all at the same pressure and temperature): 1. volume gas X + 2 volumes gas Y2 volumes compound I 2. volumes gas X + 1 volume gas Y2 volumes compound II Assume the simplest possible formulas for reactants and products in the chemical equations above. Then, determine the relative atomic masses of element X and element Y.
89 A number of compounds containing the heavier noble gases, and especially xenon, have been prepared. One of these is xenon hexafluoride (XeF6), which can be prepared by heating a mixture of xenon and fluoride gases. XeF6 is a white crystalline solid at room temperature and melts at about 325 K. A mixture of 0.0600 g of Xe and 0.0304 g of F2 is sealed into a 100.0-mL bulb. (The bulb is heated, and the reaction goes to completion. Then the sealed bulb is cooled back to 20.0°C. What will be the final pressure in the bulb, expressed in torr?
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6. A 0.400-g sample of Niobium(IV) oxide is reacted with oxygen gas, yielding 0.4256 g of a new compound, NbxOy. Write a balanced chemical equation for this reaction (include state symbols to indicate whether each compound is solid, gas, liquid, etc.). You may write your coefficients in terms of x and y. What is the molecular formula of the new compound (that is, what are the values of x and y)?
10 The Madrigal family grills every Sunday after their weekly soccer match with the Dorsey family. To grill, however, they need a total of 246.44 g of propane gas. How many protons are there of carbon in 264.44 g of propane gas? 11. Diego is saving turtles from a plastic net and must swim across 1.403 x 10³4 molecules water. How many liters of water does Diego need to swim through to get to the turtles?
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