From Questions to Solutions

If 14.2 g of Al(NO3)3 is dissolved in 655 g of water, what is the boiling point of the solution? Assume 100% dissociation. Given that [tex]k_b \text{(H}_2\text{O)} = 0.52 \,

Which of the following are square roots of the number below? Check all that apply. 529 A. 1058 B. 46 C. [tex]-529^{1 / 2}[/tex] D. 23 E. [tex]529^{1 / 2}[/tex]

If a country has a population of 8.4 million in 2018 and a growth rate \( r = 2.27\% \), what is the closest population it will be in 2050?

Identify which of the following are valid (correct) velocities. (More than one correct answer) A. 46 m/s B. 3.5 mph east C. 67 km/hr west D. 33.5 E. 0 m/s

In a town last year, two extreme daily temperature changes took place. On a winter day, the temperature dropped from 46 ∘ F to 23 ∘ F. On a spring

68.7% of the population has brown eyes. A convention has 6000 people in attendance. Find the standard deviation for the number of brown-eyed people at such gatherings of 6000 people.

A scuba diver is at an elevation of -25 feet. She starts moving at a rate of -10 feet per minute. Which inequality represents how long it will take the

The molar mass of H₂O is 18.02 g/mol. How many grams of H₂O are present in 0.20 mol? A. 0.2 g B. 3.6 g C. 35.9 g D. 89.9 g

The following table of values gives a company's annual profits in millions of dollars. Rescale the data so that the year 2003 corresponds to [tex]$x=0$[/tex].[tex]\[ \begin{tabular}{|c|c|c|c|c|c|c|} \hline Year & 2003

When the temperature is 0 degrees Celsius, the Fahrenheit temperature is 32. When the Celsius temperature is 100, the corresponding Fahrenheit temperature is 212. 1. Express the Fahrenheit temperature as

What is the formula for finding your Maximum Heart Rate? A. 220 - your age B. 220 + your age C. 220 x your age D. 220 / your age

The real image of a concave mirror is six times as large as the object. (a) Determine the image distance for an object that is 39.4 cm from the mirror.

You place a cup of hot chocolate at 220 degrees F on a table in a room that is 72 degrees F. Twelve minutes later, it is 205 degrees F.

An automobile manufacturer claims that their van has a 39.3 miles/gallon (MPG) rating. An independent testing firm has tested 17 vans and found a mean MPG of 39.7 with a

According to this week's discussion, which of the following were successful folk-rock singer/songwriters? (Mark all that apply) - James Taylor - Joni Mitchell - Tom Dooley - Janis Joplin