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
san4es73 [151]
3 years ago
14

What are the four important steps needed to obtain accurate melting points on a mel-temp

Chemistry
1 answer:
AveGali [126]3 years ago
3 0

Explanation:

1) refine the specimen into fine powder 2) place the smallest amount you can see in the capillary tube 3) set the voltage to increase exponentially to 200 below the predicted temperature, then adjust so that the temperature rises to 20 per minute 4) report the temperature at which the liquid first appears and the temperature at which the last crystal disappears.

You might be interested in
Gamma rays are often used to kill microorganisms in food, in an attempt to make the food safer. Some people contend that this ir
kumpel [21]
<span>While treating food with gamma rays kills microorganism by damaging their DNA, the energy of gamma rays rips off electrons from atoms hence ionizing them (causing free radicals). However, gamma rays do not make the food atoms radioactive. The body has a natural mechanism of riding the body of free radicals. However, large quantities of radicals in the body can cause damage.</span>




7 0
3 years ago
WILL GIVE BRANLIEST TO WHOEVER ANSWERS THIS QUESTION&gt;&gt;&gt; How many valence electrons does NaHCo3 have?
nydimaria [60]

Answer:

NaHCO3

Na = 1

H = 1

C = 4

Explanation:

5 0
3 years ago
What's the easiest way to find balance in a chemical equation?
ivann1987 [24]
Well not calculus because that has nothing, well mostly nothing to do with balancing chemical equation, so B or C. Now for me personally B is way faster, though C is sometimes faster if you get lucky the way to solve it is B
6 0
3 years ago
Cellular respiration role during water cycle
maks197457 [2]

Answer:

Explanation:

Our breath being absorbed by the atmosphere and dumped back down in the form of rain or snow is one of them. Respiration is the most important metabolic process for animals that can't make their own energy. It allows organisms to gather oxygen from the air in exchange for carbon dioxide and water vapor .

6 0
3 years ago
How many spatial orientations are available for the p sublevel
Sonja [21]

4 to 5 you are welcome

3 0
3 years ago
Other questions:
  • This reaction was monitored as a function of time:
    6·1 answer
  • A gas with a volume of 425 ml at a pressure of 205 kpa is allowed to expand to a volume of 1209 ml, with no change in temperatur
    5·1 answer
  • Which is an anion ca2+ ag+ o2- k+
    12·2 answers
  • Zinc dissolves in hydrochloric acid to yield hydrogen gas: Zn(s) + 2HCl(aq) --&gt; ZnCl2(aq) + H2(g) When a 12.7 g chunk of zinc
    13·1 answer
  • When the dry ingredients of a cake are combined, what is the result? A.Element B.Mixture C.Compound D.Atom
    11·2 answers
  • Which example is an endothermic process
    9·1 answer
  • The force that holds paticles together in the atomic nuecleaus?
    10·1 answer
  • Fill in the blank.<br><br>If you gone call me a _____ make sure you put _______ infront of it
    11·1 answer
  • An atom of barium has the atomic symbol shown below. Which statement is FALSE regarding this atom of barium?
    7·2 answers
  • What is the density of a solid with a mass of 75g and a volume of 5 cm^3?​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!