Recent activity by Knowledge Cube

Recent activity by Knowledge Cube

For a TRIS buffer with a \( \mathrm{pKa} \) value of 8.30 and a solution with a pH of 6.50, what is the ratio of [TRIS]/[TRIS-H+]?

asked Dec 21, 2024

1 answer 219k views

All are factors that promote healing EXCEPT: a. good nutrition: protein, vitamins A and C b. clean, undisturbed wound c. effective circulation d. advanced age e. adequate hemoglobin

answered Nov 30, 2024

1 answer 76.4k views

Using the digits 0, 1, 2, ...8, 9, determine how many 8-digit lock combinations are possible according to the following criteria?

asked Nov 16, 2024

1 answer 96.9k views

A solution of 0.075 M CoBr₂ is saturated with H₂S ([H₂S] = 0.10 M). What is the minimum pH at which CoS begins to precipitate? a) 2 b) 4 c) 6 d) 8

answered Nov 3, 2024

1 answer 211k views

How many significant figures does the number 1.006 x 10⁷ have? A) 3 B) 4 C) 5 D) 6 E) 8

asked Oct 24, 2024

1 answer 182k views

Ellen went on a vacation to California. (fun / sunny) Combined the words together

asked Oct 20, 2024

1 answer 86.0k views

Would Americans celebrating Cinco de Mayo be an example of cultural divergence or cultural convergence? Why do you think so?

asked Sep 1, 2024

1 answer 234k views

Evaluate 3 - 1. a) 2 b) 3 c) 1 d) 99

asked Jul 22, 2024

1 answer 193k views

A pharmacy must report activity to the controlled substance prescription monitoring program every ____.

asked Jun 1, 2024

1 answer 4.4k views

What direction did the water in the Great Lakes area drain after the glaciers melted away and why? a. North, due to tectonic forces b. South, due to glacial rebound c. West, due to gravitational forces

answered May 23, 2024

1 answer 165k views

Half stars were above the horizon and half below - Ptolemy a) Geocentric model b) Heliocentric model c) Elliptical model d) Ptolemaic model

answered May 23, 2024

1 answer 207k views

Which of the following hosts, manages, and provides access to software and hardware over the Internet to multiple customers? A. Outsourcing B. application service provider C. Insourcing D. Benchmarking

answered May 5, 2024

1 answer 73.1k views

Please help me - GEOMETRY

answered Apr 20, 2024

1 answer 79.8k views

HELP NOW FOR MEGA POINTS Which statement below about the graph of f(x)=-log(x+4)+2 is true? 1) f(x) has a y-intercept at (0,2) 2) −f(x) has a y-intercept at (0,2) 3) As x → ∞, f(x) → ∞.2) 4) x → −4, f(x)

answered Apr 19, 2024

1 answer 93.7k views

Lucas is collecting baseball cards. He had 46 cards in his collection. His grandma gave him 29 cards for his birthday, and his aunt Tammy gave him 52 cards. How many baseball cards does Lucas have now?

answered Feb 23, 2024

1 answer 188k views

3. Find the distance between the two points: O√37 O √3 O √7 O √5 --4 -2 Ay 2 -2 Pet 2 4 X

asked Feb 19, 2024

1 answer 128k views

When did Anson Jones become President of the Republic of Texas?

answered Dec 19, 2023

1 answer 77.2k views

Why did James Madison favor giving the larger states representation according to population?

answered Dec 16, 2023

2 answers 82.5k views

Olivia is going on a 490 mile journey. So far, she has travelled 1% of her journey. How many miles has she travelled

asked Oct 15, 2023

1 answer 25.5k views

Help me please on this

answered Oct 10, 2023

1 answer 9.6k views

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