Answers by Dan Breslau
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Answers by Dan Breslau

Answers by Dan Breslau
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2.0L of hydrogen gas is mixed with 3.0L of nitrogen gas at STP in a rigid 5.0L vessel. A reaction occurs, producing ammonia gas NH3 and causing the pressure to change. How many moles of ammonia are produced?
answered Nov 26, 2021
3 votes
135k views
Round steak costs $6.95 per pound. Sara wants to buy 9.5 pounds of round steak which she estimates will cost $54. Which statement about Sara’s estimate is true?
answered Nov 16, 2021
0 votes
5.3k views
How can we save environment if we need industry​
answered Aug 3, 2021
6 votes
110k views
A ball is thrown into the air with an upward velocity of 48 ft/s. Its height h in feet after t seconds is given by the function h = -16t2 + 48t + 8. In how many seconds does the ball reach its maximum
answered Jul 15, 2021
5 votes
112k views
Match each ecosystem with the most correct description of it. Tundra Deciduous Forest Desert Grasslands Alpine Found in the northernmost parts of North America; features limited plant growth, frozen ground,
answered Jul 11, 2021
6 votes
64.6k views
If object A has a mass of 100kg and object B has a mass of 50 kg then which will have more inertia
answered Jun 23, 2021
5 votes
50.4k views
Anya charges $40 for 5 hours of babysitting. Lionel charges $14 for 2 hours of babysitting. Which babysitter charges the cheapest rate?
answered Mar 25, 2021
7 votes
125k views
Where was J.K. Rowling born?
answered Mar 23, 2021
7 votes
82.9k views
What type of stretch is best included as part of a warm-up?
answered Mar 12, 2021
1 vote
48.9k views
What is the difference between twice a number that is 5 more than it is 3 NEED THIS IN NUMBER FORM
answered Feb 20, 2021
5 votes
74.8k views
When the drag force acting on a swimming object completely balances the object's propulsive force (be it in internal force, like the bacteria, or an external force, like gravity acting on the beads), the
answered Feb 14, 2021
6 votes
121k views
After taking a special computerized introductory sociology course, students do twice as well on the posttest as they did on the pretest. The researcher suspects the pretest alerted students to what was
answered Oct 28, 2020
0 votes
223k views
The following information relates to the Magna Company for the upcoming year, based on 402,000 units. Amount Per Unit Sales $ 10,452,000 $ 26.00 Cost of goods sold 6,432,000 16.00 Gross margin 4,020,000
answered Sep 13, 2020
5 votes
60.6k views
Speaker Placement. A stereo receiver is in a corner of a 14​-ft by 48​-ft room. Speaker wire will run under a​ rug, diagonally, to a speaker in the far corner. If 3 feet of slack is required on each​ end,
answered May 27, 2020
3 votes
120k views
2. In a thunderstorm at 20.0°C, Karen sees a bolt of lightning and hears the thunderclap 3.00 s later. How far from Karen did the lightning strike? Show your work. I don't want answer just the formula
answered Feb 6, 2020
6 votes
149k views
NEED HELP! Which communication style describes when a person tends to give in to others? (Health) nonverbal passive assertive aggressive
answered Jan 10, 2020
6 votes
36.4k views
HOW DO YOU FIND THE SINE, COSINE, AND TANGENT VALUES GIVEN A POINT ON A CIRCLE? BE ABLE TO PROVIDE AN EXAMPLE
answered Nov 20, 2019
4 votes
215k views
PLEASE HELP ASAP! The "yellow press" called for war after the sinking of the Maine. This contributed to public support for A) World War I. B) World War II. C) Spanish-American War. D) Woodrow Wilson’s
answered Jun 13, 2019
3 votes
53.6k views
As an individual consumes slices of pizza, the _____ is the amount of satisfaction that he receives from each additional piece of pizza. total utility consumption availability marginal utility absolute
answered Feb 3, 2019
4 votes
55.8k views
What is the factor expression of 27 + 33
answered Nov 27, 2018
2 votes
104k views
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