Recent activity by Sumitk

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For the following combustion reaction: CH_3COOH(l)+2O_2(g)→2CO_2(g)+2H_2O(g) with ΔH=−8.74×10² kJ, when a 50.3-g sample of acetic acid (molar mass = 60.05 g/mol) is burned, how much energy (in kJ) is released

answered Jan 1

2 answers 126k views

A weather station on the top of a mountain reports that the temperature is currently 0 �� C and has been falling at a constant rate of 3 �� C per hour. If it continues to fall at this rate, find each indicated

answered Dec 29, 2024

1 answer 28.9k views

Question 3 of 25 Which of the following describes sound waves? A. Mechanical waves in which the vibrations are perpendicular to the motion of the sound B. Electromagnetic waves in which the vibrations

answered Dec 12, 2024

2 answers 78.6k views

What is a mobile fire/rescue unit that responds to the scene of fire/rescue incidents? 1) Firetruck 2) Ambulance 3) Police car 4) Helicopter

asked Sep 15, 2024

1 answer 91.8k views

Thomas Company had income before interest and taxes of $127,000. Interest expense for the period was $17,700 and income taxes amounted to $29,200. The average stockholders' equity was $687,000. Thomas'

asked Sep 3, 2024

1 answer 151k views

Which is sequenced first in a scar (sequelae) caused by a burn? 1) Inflammation 2) Proliferation 3) Remodeling 4) Epithelialization

asked Aug 1, 2024

1 answer 129k views

T/F: federal laws have little impact on schools and programs

asked Jul 28, 2024

1 answer 222k views

Summarise the knife and bra-clasp evidence.

asked Jul 17, 2024

1 answer 224k views

What effect does cooking have on carbohydrates in foods?

asked Jun 5, 2024

1 answer 147k views

The thermosphere layer of the atmosphere is between 90,000 and 110,000 meters above sea level. Which of the following elevations are in the thermosphere? Select yes or no. a. 9.8 x 10^-4 yes or no b. 1.

answered May 23, 2024

1 answer 148k views

60 people are going on a tour by three buses. The number of people in each bus is the same. Which of the equations could be used to find the number of people in the second bus?

answered Mar 21, 2024

1 answer 185k views

Citing scientific studies and data a. ethos b. pathos c. logos

answered Mar 18, 2024

1 answer 84.2k views

A shop has a sale of 5% off all items in stock. If the original price of a dress is £40 what would be its sale price?

answered Mar 3, 2024

2 answers 4.1k views

What is the congealing or solidification point of fatty acids in fat? A) Smoke point B) Flash point C) Cloud point D) Freeze point

answered Mar 1, 2024

1 answer 215k views

What are Wedges used for? Science. Thank you! <3

answered Feb 26, 2024

2 answers 25.6k views

Find the nonpermissible replacement for x in this expression. x² -4x - 8

asked Feb 7, 2024

1 answer 210k views

Emma is x years old Kate is 12 years younger than Emma. The sum of their ages is 24 Work out the age of Emma

answered Dec 20, 2023

1 answer 15.0k views

Amy is backpacking with her friends. At the base of they hill, they find the temperature to be 24.1 Celsius. As they reach the summit situated at a height of 1 kilometer, they notice the temperature has

asked Dec 19, 2023

1 answer 179k views

True coordinates of the vertices of triangle 1 are A(6,6),B(12,9),C(9,6).rotate triangle 1,90 degrees counterclockwise

asked Jul 10, 2023

1 answer 133k views

Veronica randomly surveyed a group of students to find out how they arrived at school each day; her findings are recorded in the table below. using the data from the table, estimate how many students drive

answered Jul 7, 2023

2 answers 172k views

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