1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Stolb23 [73]
3 years ago
14

Which of the following statements is true?

Chemistry
2 answers:
Darya [45]3 years ago
7 0
B. The nucleus of an atom contains protons and neutrons.
jeka57 [31]3 years ago
3 0
B. The nucleus of an atom contains protons and neutrons. 
You might be interested in
A chemist requires 0.802 mol Na2CO3 for a reaction. How many grams does this correspond to?
Komok [63]

Answer:

Ok:

Explanation:

So grams = mols*MolarMass. Here, MolarMass (MM) = 105.99g which can be found using the periodic table. mols is given to be 0.802. We can then plug in to get that it corresponds to 85.0g.

7 0
2 years ago
When the metal was placed in the calorimeter its
guajiro [1.7K]

Answer:

Exam 3 Material

Homework Page Without Visible Answers

This page has all of the required homework for the material covered in the third exam of the first semester of General Chemistry. The textbook associated with this homework is CHEMISTRY The Central Science by Brown, LeMay, et.al. The last edition I required students to buy was the 12th edition (CHEMISTRY The Central Science, 12th ed. by Brown, LeMay, Bursten, Murphy and Woodward), but any edition of this text will do for this course.

Note: You are expected to go to the end of chapter problems in your textbook, find similar questions, and work out those problems as well. This is just the required list of problems for quiz purposes. You should also study the Exercises within the chapters. The exercises are worked out examples of the questions at the back of the chapter. The study guide also has worked out examples.

These are bare-bones questions. The textbook questions will have additional information that may be useful and that connects the problems to real life applications, many of them in biology.

Explanation:

5 0
2 years ago
Read 2 more answers
Which of the following statements is true of glare control?
galina1969 [7]
The correct option is B. 
Indirect lighting refers to fixtures which direct the light upward to bounce off the wall or ceiling to light a room. This type of lighting is diffusely reflected and create less glare compare to direct lighting. Direct lighting usually direct the light downward, directly on to the surface below to provide illumination.
8 0
3 years ago
2. A rock occupies a volume of 20 cm and has a mass of 54 grams. Find the density of<br> this rock.
vredina [299]
The answer is 2.7gm/cm^3 . Density is mass divided by volume .
6 0
2 years ago
It takes much less energy to change the temperature of oil than it does to change the temperature of water
Andrew [12]

Answer:

i think so

Explanation:

8 0
2 years ago
Other questions:
  • Write these chemicals in order starting with the one that turns into gas the easiest. Naphtha, diesel, bitumen, petrol
    13·1 answer
  • A car travels at 15 kilometers west in 10 minutes after reaching the destination the car travels back to the starting point agai
    9·1 answer
  • Please help me! I am offering 100 points and brainliest!
    11·1 answer
  • Copper crystallizes in a face centered cubic lattice. if the edge of the unit cell is 351 pm what is the radius of the copper at
    5·1 answer
  • State 3 functions of enzymes in the body
    10·1 answer
  • 1.2 × 1.79 significant figure
    7·1 answer
  • Based on the hierarchical organization, order these terms from smallest to largest.
    5·2 answers
  • Which macro nutrient is made up of carbon and hydrogen elements join together in long groups called hydrocarbons?
    13·2 answers
  • Need help ASAP <br> Ahsb
    12·2 answers
  • ILL BRAINLIST ITS URGENTTT!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!