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kipiarov [429]
3 years ago
7

State two procedures which should be used to properly handle a light microscope

Chemistry
1 answer:
babunello [35]3 years ago
5 0

hold at base and arm

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Please helpppp ASAP !!!!Which phase changes require the addition of energy to happen, which phase changes require the removal of
ziro4ka [17]

Answer:

Evaporation

Explanation:

Evaporation involves a liquid becoming a gas and sublimation is the change of a solid directly to a gas. Phase changes require either the addition of heat energy or subtraction of heat energy .

6 0
3 years ago
1. Who is the father of atomic theory? 2. Who discovered the electron? 3. Who expressed particles by wave equations? 4. Who rese
krek1111 [17]
1. Who is the father of atomic theory?
Dalton

2. Who discovered the electron?
<span>Thomson
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3. Who expressed particles by wave equations?
<span>Schrödinger
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4. Who researched on radioactivity?
Curie

<span>5. Who discovered the "open spaces" model?
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6. Who applied quantum theory to atoms? 
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6 0
3 years ago
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In what organelle does photosynthesis occur
Fofino [41]

Answer:

chloroplasts

Explanation:

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.

5 0
3 years ago
Why is it important for scientist to be repeatable?
Margarita [4]
It is important for scientists to be repeatable so it lets them see patterns and trends in their results. This is affirmative for their work, making it stronger and better able to support their claims. This helps maintain integrity of data.
3 0
3 years ago
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Why do scientists use spiral tubes instead of straight ones?
elixir [45]

Answer:

Heat and mass transfer of a LiBr/water absorption heat pump system (AHP) was experimentally studied during working a heating-up mode. The examination was performed for a single spiral tube, which was simulated for heat transfer tubes in an absorber. The inside and outside of the tube were subjected to a film flow of the absorption liquid and exposed to the atmosphere, respectively. The maximum temperature of the absorption liquid was observed not at the entrance but in the region a little downward from the entrance in the tube. The steam absorption rate and/or heat generation rate in the liquid film are not constant along the tube. Hence the average convective heat transfer coefficient between the liquid film flowing down and the inside wall of the tube was determined based on a logarithmic mean temperature difference between the tube surface temperature and the film temperature at the maximum temperature location and the bottom. The film heat and mass transfer coefficients rose with increasing Reynolds number of the liquid film stream.

4 0
3 years ago
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