Questions by John Maclein

Questions by John Maclein

Classify each of the following changes as physical or chemical. a) Melting of ice b) Burning of wood c) Dissolving sugar in water d) Rusting of iron

asked Dec 24, 2024

1 answer

2 votes

210k views

A generic salt, ab, has a molar mass of 337 g/mol and a solubility of 2.80 g/L at 25��C. The equation for the dissolution of ab(s) in water is ab(s) <��> a(aq) + b-(aq). What is the Ksp of this salt at 25��C?

asked Oct 1, 2024

1 answer

1 vote

231k views

A critically ill 4-year-old child is in the pediatric intensive care unit. Telemetry monitoring reveals junctional tachycardia. Identify where this arrhythmia originates. a) Atria b) Atrioventricular (AV)

asked Sep 13, 2024

1 answer

2 votes

142k views

_____ are not based on intimate friendship. a. Crowds b. Cliques c. Other sex relationships d. Boys' relationships

asked Mar 5, 2024

1 answer

3 votes

194k views

A student wrote the equation 4(x+5.5)=3(1.5x+4.75) to represent the problem shown. Find her mistake and correct it. Petra and her 4 friends went to the movies. They each bought a ticket for x dollars and

asked Dec 25, 2023

1 answer

11 votes

108k views

Find the number of subsets of the set {1, 2, 3, ..., 9}

asked Jul 14, 2023

1 answer

3 votes

178k views

Which of the following amendments gave African-American males the right to vote? A 13th Amendment B. 14th Amendment C 15th Amendment D 16th Amendment

asked May 15, 2023

1 answer

24 votes

179k views

A cylindrical tank has diameter 3.2 m and length 12.7 m. What is the surface area of the tank, to 1 decimal place?

asked Mar 20, 2023

1 answer

5 votes

159k views

How can i prove that 2 colorless liquids are oxidizing and reducing agents 2 different ways

asked Feb 18, 2023

1 answer

2 votes

144k views

Please help In CDE, the measure of ZE=90°, DC = 37, ED = 35, and CE = 12. What is the value of the sine of D to the nearest hundredth?

asked Oct 12, 2022

2 answers

21 votes

175k views

Use quadratic formula to find the solutions to the quadratic equation 2x^2-3x+6=0

asked Aug 5, 2022

2 answers

4 votes

185k views

What is the area of cross-section ADGF of this right rectangular prism? A. 20 square units B. 48 square units C. 52 square units D. 65 square units

asked Jun 11, 2022

2 answers

21 votes

65.4k views

Why did President Lincoln want the surrender to be peaceful? He didn't want the South to rebel in the future. He wanted the starving and exhausted soldiers to be treated fairly. He wanted the war to officially

asked Jun 4, 2022

2 answers

5 votes

21.0k views

Two Parallel lines are cut by a transcersal and form a pair of alternate exterior angles. One angle measures (6x + 5) and the other measures (7x+4). Explain how to determine what those angles actually

asked Mar 1, 2022

1 answer

1 vote

216k views

Situation: saw a guy fainted on the street

asked Feb 13, 2022

2 answers

0 votes

147k views

What is the point-slope form of a line that has a slope of 3 and passes through the point (–1, 4)? y – (–1) = 5(x – 4) 4 – y1 = 3(–1 – x1) y – 3 = –1[(x – (–4)] y – 4 = 3[(x – (–1)]

asked Jan 9, 2022

2 answers

2 votes

162k views

Greatest common factor 2x^2 - 6x

asked Dec 13, 2021

1 answer

0 votes

187k views

6. What was one weakness of the Axis Powers?

asked Jun 26, 2021

1 answer

5 votes

190k views

Which word is most clearly used denotatively? Lucy gaped as Marcus flung down his sister's birthday cake and then stormed off without another word. A. flung B. gaped O C cake D. stormed SUBMI

asked Jun 13, 2021

1 answer

2 votes

77.2k views

How do sediments become sedimentary rock?

asked Mar 16, 2021

1 answer

2 votes

45.9k views

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