Recent activity by Brandon Pelfrey

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classify each of the following substances as a nonelectrolyte, weak electrolyte, or strong electrolyte in water. a) h2so3, b) c2h5oh (ethanol), c) nh3, d) kclo3, e) cu(no3)2

answered Dec 27, 2024

1 answer 32.1k views

Tafensoma, a developing country, adopts a law according to which its imports require red-tape-intensive licenses. In this scenario, which of the following types of trade restrictions has the country adopted?

answered Oct 22, 2024

1 answer 57.6k views

The best way to cross railroad tracks on a motorcycle is? 1) Approach the tracks at a 90 degree angle 2) Cross the tracks as quickly as possible 3) Walk the motorcycle across the tracks 4) Stop and look

asked Oct 6, 2024

1 answer 145k views

Where in the health history does a record of immunizations belong? A History B Present illness C Review of systems D Physical assessment

answered Sep 15, 2024

1 answer 30.7k views

According to Osteen, what is the "first step" to living life to your full potential? a) Setting clear goals b) Believing in yourself c) Hard work and dedication d) Finding a mentor

answered Sep 14, 2024

1 answer 115k views

1 Find x if: d) 4:3=x:21

answered Jul 30, 2024

1 answer 39.3k views

During hypoventilation, PO2 levels __ and PCO2 levels __

answered Jul 28, 2024

1 answer 119k views

Which of the following presentation formats is most likely to have a very brief time frame with an audience? a) Workshop b) Seminar c) Lightning talk d) Panel discussion

answered Jul 23, 2024

1 answer 104k views

Choose the evidence supporting Darwin’s theory of natural selection that demonstrates differential reproductive success in Magellanic penguins. Researchers have studied Magellanic penguins in Punta Tombo,

asked Jul 20, 2024

1 answer 175k views

All elements have a ΔHₐ of ______ kJ/mole at standard temperature and pressure. a) O b) 1 c) 4.184 d) 273

answered Jun 27, 2024

1 answer 215k views

Which molecule is less soluble in water–a fat or a phospholipid? Why? a) Fat; it lacks a hydrophilic head b) Phospholipid; it has a hydrophobic tail c) Both are equally soluble in water d) Neither is soluble

answered May 22, 2024

1 answer 155k views

Nucleic acids are organic compounds that play a vital role in our cells by strong ____ ____ or ____

asked May 18, 2024

1 answer 184k views

What value of x and y will make quadrilateral KLMN a parallelogram? x + 3y 5y 2(x + y - 1) H 11 and y = 20

answered Mar 27, 2024

1 answer 188k views

How many one-thirds are there in 2 2/3

asked Feb 24, 2024

1 answer 79.3k views

In George Washington's "Farewell Address," how do the second and third paragraphs best contribute to the development of the central ideas in the text? by stressing the importance of America's ability to

asked Feb 9, 2024

1 answer 183k views

He did it well ( into negative)

asked Dec 19, 2023

2 answers 59.6k views

A 58 V AC voltage source is connected across a 3.7 H inductor. What is the current through the inductor if the frequency is 63 Hz?

asked Dec 13, 2023

1 answer 72.4k views

The y axis is a line of symmetry for a triangle. The coordinates of two of its vertices are (-3, 2) and (0,5) A. What are the coordinates of the third vertex? B. What is the area of the triangle?

answered Oct 31, 2023

1 answer 125k views

Consider ADEF with vertices D(-6,4) E(0,8), and F(2,-2) Find the coordinates of the vertices of the final image of ADEF after the similarity transformation Translation: (x,y) - (x + 8y + 4) Dilation: (x,

asked Sep 10, 2023

1 answer 20.1k views

How does the Securities and Exchange Commission help promote transparency and responsibility in the stock market? A. It controls what investments are made and when they are placed B. It gives weekly reports

asked Jul 14, 2023

2 answers 115k views

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