Scin 131 Study guides, Class notes & Summaries

SCIN131 Week 1 Quiz. Released: Jun 18, 2021 11:55 PM Your quiz has been submitted successfully. 3 / 3 points Which of the following is an observation? Question options: The universe began as a cosmic explosion called the Big Bang. Matter is made of atoms. A body in motion stays in motion unless acted upon by force. Hide Feedback Great! This topic is discussed in Chapter 1 in the text. This is the scientific method. 3 / 3 points I have decided to jump off the tallest peak on my hou...

SCIN 131 Week 1 quiz Question 1 of 25 4.0 Points Which of the following is a law? A.The universe began as a cosmic explosion called the Big Bang. B.A stone dropped from an altitude of 450 m falls to the ground in 9.6 s. C.A body in motion stays in motion unless acted upon by force. D.The star closest to Earth is moving away from Earth at high speed. Question 2 of 25 4.0 Points The result of collisions between gas molecules and the surfaces around them is: A.mass B.temperature ...

SCIN 131 Tests and Quizzes 6 Part 1 of 1 - 100.0 Points Question 1 of 25 4.0 Points `Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L ∙ atm / mol ∙ K) A.302 B.-84 C.189 D.29 Answer Key: D Feedback: Ideal gas law is discussed in 11.8 Question 2 of 25 4.0 Points `I have a pressure cooker in my underground lair that is brewing a diabolical solution. I set...

SCIN 131 Lesson 4 QuizSCIN 131 Lesson 4 Quiz Question 1 of 12 4.0/ 4.0 Points `In terms of the size of the atom, which of these is the smallest? A.Ne B.Be C.O D.B E.Li Answer Key: A Feedback: Good. See section 9.9 Question 2 of 12 4.0/ 4.0 Points `If you were to put the different wavelengths of the electromagnetic spectrum (as discussed in THIS lesson) in the correct order from shortest to longest, which would be third? A.ultraviolet B.microwaves C.infrared D.x-rays E.radio waves ...

Feedback:Empirical Formula discussed in Chapter 6.2. Question 7 of 25 0.0/ 4.0 Points `I was wading in the creek and discovered what I thought to be a small meteorite. I took it home and found its mass to be 5.50 kg. I ran some fancy schmancy chemical tests on it, and determined that the mass of nickel within the sample was 250.0 grams. What is the mass percent of nickel in the meteorite? A. 0.4545%  B. 4.545%  C. 0.5454%  D. 45.45% Feedback:Mass percent discussed in Ch...

Question 5 of 32 3.0/ 3.0 Points `I was wading in the creek and discovered what I thought to be a small meteorite. I took a small sample of it home, ran some fancy schmancy chemical tests on it, and determined it was 18.0% chromium by mass. How many grams of this meteorite would I need to be able to have 15.0 g of chromium?  A. 100  B. 120.0  C. 2.7  D. 83.3 Feedback: Great! Mass percent discussed in Chapter 6.2. Question 6 of 32 3.0/ 3.0 Points Since 1983, pennies h...

SCIN 131 Tests and Quizzes 6 Part 1 of 1 - 100.0 Points Question 1 of 25 4.0 Points `Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L ∙ atm / mol ∙ K) A.302 B.-84 C.189 D.29 Answer Key: D Feedback: Ideal gas law is discussed in 11.8 Question 2 of 25 4.0 Points `I have a pressure cooker in my underground lair that is brewing a diabolical solution. I set...

Question 8 of 25 4.0/ 4.0 Points Which of the following is equivalent to STP? • A. 0 K and 1 atm • B. 32*C and 760 mmHg • C. 273.15 K and 760 torr • D. 273.15 K and 750 mmHg Feedback: Great! Gas Laws are discussed in Chapter 8. Question 9 of 25 4.0/ 4.0 Points`Suppose you have a fixed container containing 18.0 g of He gas. If the container volume is 3.00 L and the temperature is 298.15 K, what is the pressure in the atm? (R= 0.0821 L ∙ atm / mol ∙ K) • A. 36.7 atm ...

SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A /SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A /SCIN 131 LESSON 6 WEEK 6 QUIZ GRADED A

SCIN 131 Tests and Quizzes 6 Part 1 of 1 - 100.0 Points Question 1 of 25 4.0 Points `Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L ∙ atm / mol ∙ K) A.302 B.-84 C.189 D.29 Answer Key: D Feedback: Ideal gas law is discussed in 11.8 Question 2 of 25 4.0 Points `I have a pressure cooker in my underground lair that is brewing a diabolical solution. I set...