Questions by Crashthatch

Questions by Crashthatch

A 1.11 g sample of caffeine, C8H10N4O2, burns in a constant-volume calorimeter that has a heat capacity of 7.85 kJ/K. The temperature increases from 298.70 K to 303.81 K. What is the molar heat of combustion

asked Aug 12, 2020

1 answer

3 votes

223k views

Find the difference. (9x2 + 10x + 4) − (9x2 + 5x − 1) (a) 5x + 5 (b) 15x + 3 (c) x2 + 5x + 5 (d) x2 + 15x + 3

asked May 5, 2019

2 answers

5 votes

187k views

Plzz help me fast thank You

asked Apr 9, 2019

1 answer

2 votes

17.5k views

I’m thinking the 2nd answer idk Help please

asked Mar 1, 2019

1 answer

4 votes

47.7k views

What year was the first-ever nation convention for women’s rights held at Seneca falls New York?

asked Feb 16, 2019

1 answer

5 votes

171k views

Why should we use the metric system in science?

asked Dec 1, 2018

1 answer

1 vote

55.4k views

El autobus pasÃ³ por los bosques. correcto incorrecto fui al centro comercial y comprÃ© un juguete por mi sobrino. correcto incorrecto estuvieron en barcelona por tres semanas. correcto incorrecto la presentaciÃ³n

asked Oct 19, 2018

1 answer

0 votes

156k views

From a class of 15 students, three will be chosen for student council homeroom representative. how many ways can you make a group of 3 from the 15 students A) 455 B) 2730 C) 3

asked Aug 27, 2018

1 answer

3 votes

154k views

Describe the effect an increase in i, the interest rate applied to the present value, has on the monthly payment P in the formula a. An increase in i, the interest rate, will not change P, the monthly

asked Mar 16, 2018

2 answers

5 votes

28.8k views

Factor 2x2 - 9x - 11.

asked Feb 5, 2018

2 answers

4 votes

105k views

Why did Henry David Thoreau build a cabin on Walden Pond A. to be close to his friend Emerson so they could collaborate B. to conduct an experiment about living in solitude C. to become famous and well-respected

asked Dec 19, 2017

2 answers

2 votes

5.6k views

A set of cards includes 20 yellow cards, and 24 blue cards. What is the probability, written in decimal form, that a blue card is chosen at random? (Help please)

asked Oct 28, 2017

2 answers

0 votes

151k views

The United States originally shared its claims to Oregon Country with Spain and Great Britain. Spain and France. France and Great Britain. France and Florida.

asked Aug 8, 2017

2 answers

2 votes

179k views

. How was the U.S. economy affected by the business practices of the Industrial Revolution?

asked Apr 19, 2016

1 answer

2 votes

4.5k views

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