Recent activity by Scott Cowan

Recent activity by Scott Cowan

A hot air balloon is filled with 1.89 x 10² liters of air at 21°C. If atmospheric pressure does not change, how hot must the air become in order to increase the volume to 4.5 x 10² liters?

asked Aug 18, 2023

2 answers 30.6k views

One number is 25% more than another number. The sum of the numbers is 135. What are the two numbers

asked Aug 1, 2023

1 answer 212k views

Traveling a average speed at 55 mph how many miles will you travel at in 9 hours

answered Jul 27, 2023

1 answer 44.3k views

Who led the Tiananmen Square protests in 1989? Question 26 options: political leaders Buddhist monks students and intellectuals women and children

asked Jul 16, 2023

2 answers 115k views

Relate reactivity to electron distance from nucleus/strength of all attraction to nucleus

asked May 13, 2023

1 answer 190k views

Will the reaction 2 NO2 -> N2O4 occur at 25C?Delta H = - 57.2KJDelta S= - 0.176 KJ/K

answered May 4, 2023

1 answer 79.8k views

What is the probability that a registered voter voted in the election?

asked Apr 1, 2023

1 answer 11.2k views

Find the image of (-9, 4) for a dilation centered at the origin with a scale factor of 3/4.

answered Jan 30, 2023

1 answer 29.6k views

Why human, monkey, horses and birds are considered to have evolved from the same ancestors?

answered Jan 5, 2023

2 answers 128k views

Determine the value of x in the figure. Question 11 options: A) x = 40 B) x = 135 C) x = 90 D) x = 45

answered Dec 8, 2022

2 answers 144k views

In a diagram of a food chain where does a producer such as a tree get the beefy it needs to survive?

asked Nov 26, 2022

2 answers 139k views

What is the Surface area

answered Nov 14, 2022

2 answers 214k views

What is that thing the God can't see we can see that ?

answered Oct 14, 2022

1 answer 153k views

Which famous visual artist was accused of stealing the “Mona Lisa” from the Louvre in 1911? A. Salvador Dali B. Pablo Picasso C. Leonardo Da Vinci D. Vincent van Gogh

asked Sep 17, 2022

2 answers 35.8k views

52. What is hidden underneath Cleopatra’s Needle? No link , no spam. Just answer please...

answered Aug 26, 2022

2 answers 162k views

What is the mass of a substance whose density is 7.86 g/ml and volume is 6.5ml

answered Aug 16, 2022

1 answer 233k views

Examine the diagram. Parallel lines a and b are crossed by transversal t to create 8 angles. Clockwise from top left, the angles are blank, 60.75 degrees, blank, blank; 2, 1, blank, blank. What are the

asked Jul 13, 2022

2 answers 82.0k views

QUICK PLZ really need help plz help

asked Jul 3, 2022

1 answer 191k views

Why was Yellowstone National Park created? A. to set aside land for animals as more people moved west B. to protect bears from humans and other predators C. to keep different types of animals together

asked May 23, 2022

2 answers 84.6k views

What is the formula of the compound in which the atom combining ratios are: magnesium : bromine = 1:2 Enter elements in the order given: Please help me with this

asked May 15, 2022

1 answer 68.9k views

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