2H2 + O2 → 2H2O + 130KJ 4.83 x 103 kJ 15. How many grams of H2 would be needed to produce 260. KJ of energy? 2H2 + O2 → 2H2O + 130KJ 8.08 g 16. 20. mol H2 reacts with 8.0 mol O2 to produce H2O.
a.|0.6 m/s2| b.|0.9 m/s2| c.|0.3 m/s2| d.|1.9 m/s2| ____ 7. Which of the following is an example of a scalar quantity? a.|displacement| b.|distance| c.|average velocity| d.|position| ____ 8. Which of the following is an example of uniform velocity? a.|A skydiver jumps out of an airplane and falls to the ground with increasing speed.| b.|A truck travels a twisty highway ranging from 40 km/h to 70 km/h.| c.|A horse trots around a circular track at a constant speed.| d.|A car travels down a straight highway at a steady 95 km/h.| ____ 9.
The largest decrease in size was from 3 to 4, and it leveled out after the 5 to 6 decrease. 2. In Part II of this assignment, you graphed the atomic radius of some elements from group 14 on the periodic table. What is the general trend for atomic radius going down that group? As the period number gets bigger, so does the atomic radius.
One tank volume would be 42,390ft. Now we would multiply that by two to get the volume of both tanks which is 84,780ft. The volume of both tanks are 84,870ft. 3. In step 1, you found the volume (in cubic feet) of the main tank.
As I started to say “I think that car just hit something” the front of my car went up in the air slightly tilted to the right then down. B. The back end of my car went up in the air then back down. When I stop my car was sitting in the middle of the highway and all I could see was tree branches. IV.
After each film the participants were given a questionnaire which asked them to describe the accident and then answer a series of specific questions about it. There was one critical. This question was ‘About how fast were the cars going when they hit each other?’ One group of participants were given this question. The other five groups were given the verbs smashed, collided, bumped or contacted in place of the word hit. The mean speed estimate was calculated for each group.
Alexis and I were driving through a wooded empty section of a highway after visiting my sister in Columbus. Lighting flashed, thunder roared, the sky went dark in a downpour. “We'd better stop”, said Alexis. I nodded in agreement. I stepped on the brake, and suddenly the car started to slide on the slick pavement.
At what time of the day should your headlights be turned on: Half an hour after sunset until half an hour before sunrise. What is carbon monoxide, and how may it be harmful to drivers: It’s a colorless, deadly gas in the exhaust fumes produced by cars and can cause poisoning. Describe what you should do if you have a blowout while driving: Move the car off the pavement, turn on emergence warning lights, and tie a white cloth where visible or raise your hood. What should you do when driving down a steep grade in a car with standard transmission: Use a low gear to slow your vehicle down. What should you do if you damage an unattended vehicle: Stop, locate owner/operator, and give name and address.
* * * * * * * * * * * * * E-Text Exercises Week Three RES/342 December 19, 2011 11.24 In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: Are the mean crash damages the same for these three vehicles? Crash Damage ($) Goliath Varmint Weasel 1,600 1,290 1,090 760 1,400 2,100 880 1,390 1,830 1,950 1,850 1,250 1,220 950 1,920 Hypotheses: H0: μ1=μ2=μ3 Ha:At least one of the means is/are different Reject the
Procedure: Forty-five American students formed an opportunity sample. This was a laboratory experiment with five conditions, only one of which was experienced by each participant (an independent measures design). Participants were shown slides of a car accident involving a number of cars and asked to describe what had happened as if they were eyewitnesses. They were then asked specific questions, including the question “About how fast were the cars going when they (hit/smashed/collided/bumped/contacted ) each other?” Thus, the IV was the wording of the question and the DV was the speed reported by the participants. A week after the participants saw the slides they were asked “Did you see any broken glass?” There was no broken glass shown in the slides.