From Questions to Solutions

You have a sample of 39.4 g of CaCO₃. How many moles of CaCO₃ are in the sample?

Noam had a length of \(13 \frac{1}{3}\) cm of ribbon and cut it into equal-sized strips, each with a full width of the ribbon. How long is each whole strip?

Show how algebra can be used to work out each of these without a calculator. a) [tex]268^2 - 232^2[/tex] b) [tex]469 \times 548 + 469^2 - 469 \times 17[/tex] c)

Randy has 53 53 inches of ribbon that he cuts into 8 8 pieces of equal length. ​What is the length of each piece of ribbon, in inches? Must be

Four companies computed their days' sales in inventory as follows: - Company A: 47.2 - Company B: 36.5 - Company C: 45.1 - Company D: 39.4 Which company is the

The diagonals of a parallelogram are 26.5 meters and 39.4 meters. If they meet at an angle of 137.5°, find the length of the shorter side of the parallelogram. (Round

A moment of 9050 lb·in is needed at point \( P \) to turn it. The force \( F \) must be applied at an angle of \( \theta =

How much heat must be removed to freeze a tray of ice cubes if the water has a mass of 40.0 g? (The molar heat of fusion of water is

Emily is making bows using ribbon. She has two pieces of ribbon to use. One piece is 23 yards long, and the length of the other piece is unknown. She

Using the equation for winemaking, how many liters of carbon dioxide would be produced with 287.62 g of glucose? Enter your answer as a number with the correct significant figures

What is the volume of a sphere with a radius of 36.6 cm, rounded to the nearest tenth of a cubic centimeter? Provide your answer in cm³.

You are considering opening a new plant. The plant will cost $ 97.7 million up front and will take one year to build. After that it is expected to produce

Explain the rule derived from *National Biscuit Co. v. Stroud* (1959) and *Summers v. Dooley* (Idaho 1971). How do you reconcile these two cases? A. Both cases emphasize contract termination,

Find the area of a triangle with legs that are 16 m, 12 m, and 8 m. A. 38.2 m² B. 46.5 m² C. 54 m² D. 16.4 m²

Write a program that models two vehicles (Car and Truck) and simulates driving and refueling them in the summer. The Car and Truck both have a fuel quantity and fuel