Question
In a coffee-cup calorimeter, 148.2 g of H20 and 97.0 mL of HCl are mixed. The HCI had an initial
temperature of 68.9 °C and the water was originally at 14.2 °C. After the reaction, the temperature
of both substances is 21.0 °C.
a. Calculate how much heat the water lost or gained.

Image Transcription

In a coffee-cup calorimeter, 148.2 g of H20 and 97.0 mL of HCl are mixed. The HCI had an initial temperature of 68.9 °C and the water was originally at 14.2 °C. After the reaction, the temperature of both substances is 21.0 °C. a. Calculate how much heat the water lost or gained.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Chemical Thermodynamics

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Height of a 100 mL graduate cylinder in cm 23.42 cm height in m inches km feet

A: Given : Height of cylinder in cm = 23.42 cm  

Q: Draw the organic product of the following reaction. H2SO4 / H20 H3C CH2-C=CH CH H9SO4 ČH3

A: The product of the reaction has to be drawn.

Q: Why HCl and NaOH is not a buffer system?

A: A buffer solution is made of a weak acid and its conjugate base or a weak base and its conjugate bas...

Q: Which gas would you expect to deviate most from ideal behavior under conditions of low temperature: ...

A: The deviation of gases from ideal behavior at low temperatures depends on the intermolecular forces....

Q: The heat of vaporization of water at 373 K is 40.7 kJ>mol. Find q, w, ΔE, and ΔH for the evaporat...

A: Click to see the answer

Q: Define Bond Formation ?

A: Bond formation is defined as follows,

Q: What mass of sodium hydroxide has the same number of oxygen atoms as 100.0g of ammonium carbonate?

A: The formula of ammonium carbonate is (NH4)2CO3  And formula of sodium hydroxide is NaOH  Hence molar...

Q: A substance has a band gap of 0.85 eV at 273 K. Is this substance best classified as an insulator, a...

A: Click to see the answer

Q: Write a general equation for the reaction of an alkali metal with each substance.a. a halogen b. wat...

A: Alkali metals are first group elements. They show a fixed valency of +1. Halides show -1 unit charge...