subject
Chemistry, 28.01.2021 01:10 griffinalexis2780

A class of students is designing a carrier to help keep foods warmer during long-distance trips. The students plan to use a chemical reaction to help keep the carrier and the food warm. The students have collected temperature data over time
using four different chemical reactions, as shown in the table.
Temperature Reaction 1 Reaction 2 Reaction 3 Reaction 4
Measurement
start of
23°C
reaction
23°C 23°C 23°C
2 minutes 26°C
90°C
20°C 8°C
10 minutes 36°C 84°C 18°C 17°C
60 minutes 68°C 62°C 14°C 19°C
180 minutes 75°C 29°C 11°C 22°C
Part A
Based on the temperature data in the table, which chemical reaction should the students use for their food carrier
design?
A Reaction 1
B Reaction 2
C Reaction 3
Reaction 4

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 22:00
What is the number of moles in 15.0 g ash3?
Answers: 3
question
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
question
Chemistry, 22.06.2019 18:30
Which of the following words describe the reality that the universe looks the same from various perspective
Answers: 3
question
Chemistry, 23.06.2019 00:00
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
You know the right answer?
A class of students is designing a carrier to help keep foods warmer during long-distance trips. The...
Questions
question
Biology, 28.09.2019 07:50
Questions on the website: 13722367