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podryga [215]
3 years ago
14

How might proper lab techniques impact a scientist work?

Chemistry
1 answer:
lana [24]3 years ago
7 0
Because if the the technique is wrong the scientist is wrong I’m sorry it’s a bad answer :(
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A reaction involves the parts of two compounds switching places to form two new compounds. What type of reaction is this?
In-s [12.5K]

Double Displacement would be correct

5 0
3 years ago
A second reaction mixture was made up in the following way:
Leya [2.2K]

A. We can calculate the initial concentrations of each by the formula:

initial concentration ci = initial volume * initial concentration / total mixture volume

where,

total mixture volume = 10 mL + 20 mL + 10 mL + 10 mL = 50 mL

ci (acetone) = 10 mL * 4.0 M / 50 mL = 0.8 M

ci (H+) = 20 mL * 1.0 M / 50 mL = 0.4 M   (note: there is only 1 H+ per 1 HCl)

ci (I2) = 10 mL * 0.0050 M / 50 mL = 0.001 M

 

B. The rate of reaction is determined to be complete when all of I2 is consumed. This is signified by complete disappearance of I2 color in the solution. The rate therefore is:

rate of reaction = 0.001 M / 120 seconds

rate of reaction = 8.33 x 10^-6 M / s

6 0
3 years ago
How are Epigenetic tags different from genes?​
meriva
Quick look: In its modern sense, epigenetics is the term used to describe inheritance by mechanisms other than through the DNA sequence of genes. It can apply to characteristics passed from a cell to its daughter cells in cell division and to traits of a whole organism
6 0
3 years ago
How many atoms are there in 4 moles of table sugar ?
Likurg_2 [28]

Answer: 2.408×10^24 atoms

Explanation:

Applying the formula

No. moles= (no. Of atoms)/Avogadro's number

4 = n/6.02×10^23

no. of atoms= 2.408×10^24 atoms

7 0
3 years ago
Diferencias entre una glucosa,fructosa y galactosa
Alex17521 [72]

Answer:

La glucosa y la galactosa son estereoisómeros (tienen átomos unidos en el mismo orden, pero dispuestos de forma diferente en el espacio). ... La fructosa es un isómero estructural de glucosa y galactosa (tiene los mismos átomos, pero unidos en un orden diferente).

Explanation:

8 0
3 years ago
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