« previous next »

Author Question: How many Joules of heat are required to raise the temperature of 35 mL of water from 25 C to 100 C? ... (Read 68 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Aug 27, 2018
How many Joules of heat are required to raise the temperature of 35 mL of water from 25 C to 100 C?
 
  A) 630 J
  B) 2.6  103 J
  C) 1.1  104 J
  D) 1.0  103 J

Question 2

How many molecules of sucrose are in 0.500 L of a 1.00 molar solution of sucrose?
 
  A) 3.01  1023 molecules of sucrose
  B) 6.02  1023 molecules of sucrose
  C) 12.04  1023 molecules of sucrose
  D) 0.5
  E) 1 gram


robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Irish Water Spaniel Irish Water Spaniel
Temperature profile of the Uranian troposphere and lower stratosphere. Cloud and haze layers are als Temperature profile of the Uranian troposphere and lower stratosphere. Cloud and haze layers are als
Measuring Temperature Using a Tympanic Membrane (Aural) Thermometer Measuring Temperature Using a Tympanic Membrane (Aural) Thermometer
Ocean water is layered from top to bottom Ocean water is layered from top to bottom
The Concept of Water Balance The Concept of Water Balance
Use tap water when making coffee, tea, or juice from concentrate, and for food preparation Use tap water when making coffee, tea, or juice from concentrate, and for food preparation
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library