« previous next »

Author Question: For the following balanced reaction, which of the following is a gas? 2 Na(l) + Cl2(g) 2 NaCl(s) ... (Read 74 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
For the following balanced reaction, which of the following is a gas?
 
  2 Na(l) + Cl2(g)  2 NaCl(s)
 
  A) Na
  B) 2 Na
  C) Cl2
  D) Cl
  E) NaCl

Question 2

If it takes 20 beryllium atoms to equal the mass of two krypton atoms, what is the relative mass of beryllium compared to krypton?
 
  A) 1/10
  B) 1/20
  C) 40 times
  D) 100 times
  E) 10 times

Question 3

For the following balanced reaction, which of the following is a solid?
 
  2 Na(l) + Cl2(g)  2 NaCl(s)
 
  A) Na
  B) 2 Na
  C) Cl2
  D) Cl
  E) NaCl


coreycathey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Thanks for the answer, I sent you a forum message for another one.

Answer to Question 3

Answer: E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jul 29, 2018
Thank you!


coreycathey

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

The light produced by fireflies is the result of a reaction The light produced by fireflies is the result of a reaction
(c) A photograph of a hemagglutination reaction. In the tube labeled 0, there is no agglutination, ... (c) A photograph of a hemagglutination reaction. In the tube labeled 0, there is no agglutination, ...
Reaction at constant-pressure Reaction at constant-pressure
Mechanism for the reaction catalyzed by thymidylate synthase Mechanism for the reaction catalyzed by thymidylate synthase
If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ... If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ...
What is the value for Kc for this reaction at 25°C? What is the value for Kc for this reaction at 25°C?
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library