II II Time, Time, Time, [A], M [A], M [A], M 1.00 0.78 1.00 0.75 0.50 0.25 0.00 1.00 25 25 25 0.80 50 0.61 50 50 0.67 75 0.47 75 75 100 0.57 100 0.37 100 0.50 150 0.22 150 0.40 0.33 200 250 0.14 200 0.08 250 0.29 What is the approximate rate of reaction at t= 75 s for the (a) zero-order, (b) first-order, (c) second-order reaction?

II II Time, Time, Time, [A], M [A], M [A], M 1.00 0.78 1.00 0.75 0.50 0.25 0.00 1.00 25 25 25 0.80 50 0.61 50 50 0.67 75 0.47 75 75 100 0.57 100 0.37 100 0.50 150 0.22 150 0.40 0.33 200 250 0.14 200 0.08 250 0.29 What is the approximate rate of reaction at t= 75 s for the (a) zero-order, (b) first-order, (c) second-order reaction?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

OCHEMICAL REACTIONS Dilution A chemist makes 600, ml. of sodium nitrate (NaNO,) working solution by adding distilled water to 30.0 mL of a 10.1 M stock solution of sodium nitrate in water. Calculate the concentration of the chemist's working solution. Round your answer to 3 significant digits. OM 0.2 15 X
Constants and Conversions (* = exact) 1 km = 0.6214 mi 1m = 39.37 in 1 kg = 2.205 lb 1L = 1.057 qt N₁ = 6.022 x 1023 1 lb = 453.59 g 1 gal = 4 qts* c = 3.00 x 10 m/s 1 in = 2.54 cm* 1lb= 16 oz. 1 gallon = 3.785 L 1 mi=5280 ft * 1 cal = 4.184J* 1 ft=12 in * R = 0.08206 L atm mol-¹K-¹ C₂ H20= 4.18 J/g C 760 torr = 760 mmHg = 1 atm* h = 6.626 x 10 MJs The density of silver is 10.49g/mL. What is the volume in milliliters (mL) of 1.52 pounds of silver? Round to the correct number of significant figures. Do NOT include units in your response.
What metric units are used to measure time? What is the abbreviation for these units? What instrument will you use in this lab to measure time?
Question8: Choose one answer. You decide to collect a bunch of cans of soda and measure the volume of soda in each can. Let x = the mumber of mL of soda in each can. What type of variable is x? 1) x is a discrete random variable. 2) x is a continuous random variable. 3) x is a constant.
Every year Every second (1 year 365 days).
A 32.75 g sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 53.00 mL. The solid and toluene together weigh 58.54 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. Part A What is the density of the solid? Express your answer in grams per milliliter to three significant figures. ? p = 25.93 g/mL
Constants and Conversions (* = exact) 1 km = 0.6214 mi 1m = 39.37 in 1 kg = 2.205 lb 1L = 1.057 qt N₁ = 6.022 x 10²3 1 lb = 453.59 g 1 gal = 4 qts* c = 3.00 x 10 m/s 1 in = 2.54 cm * 1lb= 16 oz * 1 ml=5280 ft * 1 ft = 12 in * 1 cal = 4.184J* C, 420= 4.18 J/g°C 1 gallon = 3.785 L 760 torr = 760 mmHg = 1 atm * R = 0.08206 L atm mol-¹K-¹ h= 6.626 x 10-4 Js Gray selenium has a density of 4.81g/mL. What is the mass in grams of 0.114 Quarts of gray selenium? Round to the correct number of significant figures. Do NOT include units in your response.
What amount of heat, in J, is required to raise the temperature of 391.2 g of lead by 14.3°C? The specific heat of lead is 0.128 J/g°C. Give your answer in standard notation to 0 decimal places.
A student calibrated a 10-mL graduated cylinder using water. The empty graduated cylinder weighed 24.378 grams. When it was filled with 9.89 mL of deionized water, it weighed 33.826 grams. The temperature of the water was 21.8oC. What is the density of water, based on these measurements?
To how many significant figures should each answer be rounded (two equations)?
0.85 0.719 0.588 [A] 0.457 0.326. 0.195 0 5 [A] vs. t 10 15 0.0230 M/S 1.18 M¹ 20 25 -0.162 -0.451- -0.740- In [A] -1.02 -1.31 -1.60 0 5 In[A] vs. t ● 10 t t y=-0.0230x+0.730 Determine the value of the rate constant for this reaction. 1 0.0504 s¹ 0.124 M¹s¹ 15 20 y=-0.0504x-0.285 3 25 4.27 3.53 2.78 1/[A] 2.04- 1.30 0.557 0 5 1/[A] vs. t 10 15 t y = 0.124x+1.18 20 25
A group of students has just measured the rate of change in temperature of a beaker of water. Which of the following units would be appropriate for this measurement? degrees celcius per hour kelvin per second candelas per minute moles per second