Questions by Leonid Shagabutdinov

Questions by Leonid Shagabutdinov

Where would you find members of class polychaeta?

asked May 16, 2021

2 answers

0 votes

148k views

A 110.0-g sample of metal at 82.00°C is added to 110.0 g of H O(l) at 27.00°C in an insulated container. The temperature rises to 30.56°C. Neglecting the heat capacity of the container, what is the specific

asked Apr 18, 2021

1 answer

4 votes

219k views

_______ has the highest frequency Group of answer choices Infrared Ultraviolet Visible

asked Oct 13, 2020

1 answer

1 vote

86.5k views

A relatively small impact crater 20 kilometers in diameter could be made by a comet 2 kilometers in diameter traveling at 25 km/s (2.5×104 m/s ). a) Assume that the comet has a total mass of 4.2×1012 kilograms.

asked Mar 25, 2020

1 answer

4 votes

75.9k views

Please help me answer this math question. It’s the first one, and please ignore the 6.

asked Nov 5, 2019

2 answers

5 votes

96.4k views

A protein was purified to homogeneity. Determination of the mass by gel filtration chromatography yields 60 kda. Chromatography in the presence of 6 m urea yields a 30 kda species. When the chromatography

asked Jun 13, 2019

1 answer

4 votes

138k views

When Mrs. JHixson gave a test, the scores were normally distributed with a mean of 78 and a standard deviation of 6. This means that 95% of her students scored between which two scores? A. 72 and 84 B.

asked Jan 8, 2019

1 answer

4 votes

91.8k views

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