Recent activity by Ehsan Khodarahmi

Recent activity by Ehsan Khodarahmi

A mixture of 30.2 g of sand and 87.7 g of water has a temperature of 12.1 °C. What is the mass of water at 85.8° C must be added to raise the final temperature of the mixture to 29.3 C?(cp,w=4.19 J/g·

asked Dec 21, 2023

1 answer 221k views

The length of a rectangle is increasing at a rate of 4 cm/s and its width is increasing at a rate of 4 cm/s. When the length is 5 cm and the width is 4 cm, how fast is the area of the rectangle increasing

answered Oct 7, 2023

1 answer 60.1k views

22.4 g of pentane (C5H12) and 17.0 g of O2 are available for a combustion reaction. If you actually produce 1.0 g of water, what is the percent yield?

answered Aug 17, 2023

1 answer 210k views

Find Each missing measure in the following problem

answered Jul 26, 2023

1 answer 206k views

Can someone help me do humane labs raid on gta 5

answered Jun 23, 2023

2 answers 105k views

Firefighters are constantly ______________ in new fighting techniques

answered Apr 24, 2023

2 answers 132k views

Which situation would best be repeated by positive 32?_____________________________O A. Decreasing the spend of a car by 32 miles per hourO B. Adding 32 books to a library O C. Spending 32 dollars O D.

asked Mar 22, 2023

1 answer 138k views

Help me please I'm confused

asked Feb 6, 2023

2 answers 13.8k views

Question 18 of 32 How should you support the mental and emotional health of your peers? A. By convincing someone to participate in risky behaviors B. By modeling appropriate behavior C. By threatening

answered Oct 24, 2022

1 answer 103k views

I NEED HELP ASAP !! Which statement is CORRECT regarding the impact of geography on the development of the economic activities in different regions of America before the Civil War?

asked Oct 11, 2022

2 answers 25.6k views

PLEASE HELP D: A stanza of a poem is most closely related to what part of a story? A - A word B - A sentence C - A paragraph D - A page

answered Sep 26, 2022

2 answers 3.2k views

How to show my work for2+[4+(5x6)]

answered Sep 12, 2022

1 answer 164k views

Is it okay for a citizen to rise up against the government? What/when would make this morally right or wrong?

answered Jul 17, 2022

1 answer 160k views

Find the value of y when 2x. + 6y = 1 Fast please!!!???

answered Jul 6, 2022

1 answer 133k views

richard nixons overwhelming victory in the 1972 presidential election most supports which of the following conclusions

answered Jul 3, 2022

2 answers 55.2k views

Jane Smith, MD, has had a great year in her pediatrics practice and has cash that she wants to invest. Her financial adviser suggests she buy a seven-year, $1,500 par value bond with an annual coupon rate

answered Jun 15, 2022

1 answer 34.8k views

Write any two ways to produce skilled human resources

asked May 26, 2022

1 answer 8.6k views

Write any two ways to produce skilled human resources

asked May 26, 2022

1 answer 8.6k views

Write any two ways to produce skilled human resources

asked May 26, 2022

1 answer 8.6k views

Help meeee:eeeeeeeeee:(

answered May 12, 2022

2 answers 206k views

Search QAmmunity.org