Answer:
heat; temperature; surrounding; insulated.
Explanation:
A calorimeter can be defined as a scientific instrument (device) that is designed and developed for measurement of the heat involved in chemical reactions or other processes, especially by taking the measurement of the temperature of the materials surrounding the process.
Basically, a calorimeter is insulated using materials with a very high level of resistivity, so as to prevent heat transfer to the outside of the device (calorimeter).
Some of the components that make up a simple calorimeter are; thermometer, an interior styrofoam cup, an exterior styrofoam cup, cover, etc.
Additionally, a calorie refers to the amount of heat required to raise the temperature of a gram of water by one degree Celsius (°C)
Answer:
When iron reacts with dilute H2SO4, iron (II) sulphate with the evolution of hydrogen gas is formed.
Answer:
percent error = - 99.134 %
Explanation:
Given data:
measured length = 1.85 cm
accepted or given value length = 2.15 m
percent error = ?
Solution:
First of all we will convert the length in meter into cm.
1 meter = 100 cm
2.15 × 100 = 215 cm
Formula:
percent error = (measured value - accepted value/ accepted value) × 100%
Now we will put the values in equation
percent error = (1.85 cm - 215 cm/ 215 cm) × 100%
percent error = -0.9914 × 100%
percent error = - 99.134 %
If the train is moving from Point A to Point B, and this motion we arbitrarily deem "forward", then from the reference point of the train, she will be moving backward. From an external reference point, she will be moving in the same direction as the train, but with a lessened velocity.
