When a cold drink is taken from a refrigerator, its temperature is 6°C. After 20 minutes in a 25°C room its temperature has increased by10°C. Answer the following questions1. What is the temperature of the drink after 50 minutes?Answer (in Celsius):2. When will its temperature be 22°C?Answer (in minutes)

The temperature of the room is Initially the temperature of the cold drink is After minutes the…

Answered: When a cold drink is taken from a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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7. A cup of hot coffee initially at 95°C cools to 80°C in 5 minutes while sitting in a room of temperature 21°C. Determine when the temperature of the coffee will be 60°C. Round your answer to the nearest tenth of a minute.
please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly
Given 70.90 grams of chlorine gas (Cl₂) = 1 mole of Cl₂. How many grams are in 4.2 moles of chlorine gas (Cl₂)? If necessary, round to four decimal places. For your Paper & Pencil work be sure to include the appropriate units with your final answer. To enter your final answer in this Canvas quiz, only enter the number. Do not include units.
10. A cup of coffee has temperature 80°C in a room kept at 20°C. After 30 minutes, the coffee cools to 60°C. What is the temperature of the coffee after another half hour?
4. Write the following in order from least to greatest. 4.72 × 105, 42.7 × 10², 472, 0.0427 X 107. Sign out INTL O 7:25 @ #3 % bac 9 %3D 4. 5 6 8 2 { } W e r t y u d f k ? C V alt ctrl
If a = 34.3, what value does b have to be to make O a. 69.60000 O b. 34.3 O c. 18.6500 O d. 17.6500 O e. 18.1500 bxdx= 0
36. Distance and the amount of gasoline used vary directly when driving at a constant speed. Zachary driving at a constant speed of 70 mi/h travels 88 mi and uses 19.3 gal of gasoline. How much gasoline does he use driving 912 mi traveling at the same speed? Round your answer to one decimal place if needed.
If the temperature of the metal surface is {6} K, then calculate its value in Fahrenheit O a. -448.600 O b. 258.556 O c. 470.200 O d. -287.444

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