Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- Convert 71 miles hr to m 1 mile = 1.609 km Enter your numerical answer with the correct number of significant figures below. Do not use scientific notation. Do not enter the unit. Show all your work, including units, in your lab notebookarrow_forwardComplete the following non-metric conversions using the table of conversions in the slides. Remember to express your answer to the correct number of significant digits. Include only your numerical answers without units. Convert 1.730 lbs to kg Convert 53.11 in to m Convert 3.85 gal to L Convert 113.47 J to cal [a] kg [b] m [C] L [d] calarrow_forwardThe first instrument we will use in lab is called a graduated cylinder. A graduated cylinder reads starting from zero at the bottom and goes up as liquid fills it. Keep in mind that you should always estimate one digit further than what is marked on the device to preserve your significant figures. For example, if the device has 1.0 mL increments, the measurement can be estimated to the second decimal place. For the graduated cylinder below, what would be the correct volume reading considering that the markings are in milliliters? Hint: What are the increments of measurement on the graduate cylinder below? -60 -50 -40 -30 -20arrow_forward
- Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of water would be produced by this reaction if 2.6 mL of methane were consumed? Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. 0|0 X Ś x10arrow_forwardI also need help on this!arrow_forwardComplete the following operations and write your answer with the correct number of significant figures. Use scientific notation when appropriate. 23,000 - 29 =arrow_forward
- Change the following measurement to the appropriate SI unit. The final unit required is shown to the right of the answer box. Be sure to use correct significant figures. An automobile engine with a displacement of 2.47×102 in.3 = ? cm3arrow_forwardA bar of gold measures 0.127 m x 0.0483 m x 0.0155 m. How many gallons of water have the same mass as this bar? Number Unitsarrow_forward13 A major component of gasoline is octane (C₂H₁). When liquid octane is burned in air it reacts with oxygen (O₂) gas to produce carbon dioxide gas and water vapor. Calculate the moles of oxygen needed to produce 0.70 mol of water. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits. 0 80.² 0.0arrow_forward
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