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
Verdich [7]
3 years ago
12

A 3.81-gram sample of NaHCO3 was completely decomposed in an experiment.

Chemistry
1 answer:
givi [52]3 years ago
8 0

Explanation:

In this experiment, carbon dioxide and water vapors combine to form H2CO3. After decomposition, the Na2CO3 had a mass of 2.86 grams. Determine ...

You might be interested in
A calorimeter contains 251 g of water at 24.3 C.The temperature of the water decreases to 18.5 C when 12.5 g of potassium nitrat
vova2212 [387]

Answer:

Endothermic  

Explanation:

The temperature of the water decreased.

The water lost heat.

The heat must have gone into getting the KNO₃ into solution.

So, the dissolving of KNO₃ in water is endothermic.

8 0
3 years ago
1)¿Como estoy siendo responsable con el cuidado de mi salud y de los demás , ya sea en casa o si algo a realizar alguna activida
erica [24]

Answer:

The most effective strategy to control the spreading of some infections is through social distancing.

Explanation:

Since we don't have an effective treatment to stop the infection of some pathogens including the recent pandemic SARS-Cov 2 virus, it is imperative to prevent it from spreading

4 0
3 years ago
I need to know what the answer to number 4 letter a.
QveST [7]
I believe it is C. I hope
4 0
3 years ago
Read 2 more answers
Please help me with these two questions
ANEK [815]
What is the question?
8 0
3 years ago
Find the kinetic energy of the horse using KE=1/2 mv².
Dmitry [639]
KE=6,250Joules
You plug in your given numbers and remember to square 5 because that’s the speed
8 0
3 years ago
Read 2 more answers
Other questions:
  • Consider the connotation of the underlined word in each sentence, and then match each sentence to the best
    6·1 answer
  • A little aluminum boat (mass of 14.50
    5·1 answer
  • What is one product of a condensation reaction between two amino acids, such as glycine and alanine?
    9·1 answer
  • Hemoglobin, the oxygen-carrying protein in red blood cells, has four iron atoms per molecules ad contains 0.340 percent iron by
    14·1 answer
  • Enter a chemical equation for NaOH(aq) showing how it is an acid or a base according to the Arrhenius definition. Consider that
    6·1 answer
  • The Earth, the Sun, and the rest of the solar system are almost unimaginably old when viewed on a human time scale. While modern
    9·2 answers
  • Please can u help me answer both questions a and b thanks
    13·1 answer
  • Burning soybean oil is similar to what other chemical reaction?
    13·1 answer
  • If 280cm3 of hydrogen diffuses in 40secs, how long will it take for 490cm3 of a gas x, whose vapor density is 25 to diffuse unde
    11·1 answer
  • What substance will turn form a liquid to solid when cold at 4 degrees Celsius​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!