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
aleksandr82 [10.1K]
2 years ago
8

Calculate and round to the correct number of significant digits .

Chemistry
1 answer:
Marianna [84]2 years ago
5 0

Answer:The solution is in the attached file

Explanation:

You might be interested in
Who discovered atomic structure​
Yuliya22 [10]
John Dalton

Although the concept of the atom dates back to the ideas of Democritus, the English meteorologist and chemist John Dalton formulated the first modern description of it as the fundamental building block of chemical structures.
4 0
3 years ago
Which is an example of an instinct?
kompoz [17]

Answer:

An innate, typically fixed pattern of behavior in animals in response to certain stimuli.

5 0
2 years ago
Indicate whether aqueous solutions of each of the following solutes will contain only ions, only molecules, or mostly molecules
Zanzabum

Answer:

Following are the solution to the given points:

Explanation:

In point a, the answer is only ions because of NH_4Cl has a strong electrolyte.

In point b, the answer is the only molecules because of ethanol CH_3CH_2OH, it has a nonelectrolyte.

In point c, the answer is the few ions because of hydrocyanic acid HCN, which has a weak electrolyte.

6 0
3 years ago
How many milliliters of water will it take to fill a 2 L bottle that already contains 1.87 L of water?
Aloiza [94]

Answer:

0.00013

Explanation:

I'm pretty sure. I first subtracted 1.87 from 2. I got 0.13. The conversion from mL to L is 0.001. I multiplied 0.13 and 0.001 and got <u>0.00013 mL.</u>

6 0
3 years ago
The breaking and forming of bonds between atoms in substances results in changes in the _______ contained in the substances.
photoshop1234 [79]

Answer:

Electrons

Explanation:

The breaking and forming of bonds between atoms in substances results in changes in the number of electrons in the substance.

  • Atoms combined in order to share, gain or lose electrons for it to be stable.
  • The noble gases have a set up configuration which makes them stable.
  • All atom tend to mimic the noble gases.
6 0
2 years ago
Other questions:
  • If an atom has 35 protons in the nucleus, how many will it have orbiting nucleus
    15·1 answer
  • Is 4Si2H3 + 11O2=8SiO2+6H2O balanced
    5·1 answer
  • Which is a single ringed nitrogeo base?<br><br> A)adenine<br> B)guanine<br> C)thymine<br> D)ribose
    9·1 answer
  • Inner and outer plants
    11·2 answers
  • Given the following data:N2(g) + O2(g)→ 2NO(g), ΔH=+180.7kJ2NO(g) + O2(g)→ 2NO2(g), ΔH=−113.1kJ2N2O(g) → 2N2(g) + O2(g), ΔH=−163
    14·1 answer
  • According to the wave mechanical model, an orbital is defined as the
    15·1 answer
  • PLS HELP!!!!! 30 POINTS!!!!
    11·2 answers
  • The big bang theory states that​
    11·1 answer
  • 1. An example of a polyatomic ion is:<br>a) SO²-4<br>b) Ca?<br>c) O2<br>d) NaCl​
    5·1 answer
  • Periodic Table: Why are group 1A elements called alkali metals?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!