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Norma-Jean [14]
3 years ago
8

The structures within the cytoplasm of a eukaryotic cell is what

Chemistry
1 answer:
Scilla [17]3 years ago
5 0
In the cytoplasm of an eykaryotic cell all the cell organelles are localized (rough and smooth ER, Golgi apparatus, mitochondria, lysosomes or a vacuole, peroxisomes etc.). There are also many cytoplasmic proteins, the elements of the cytosceletton, vesicles, ribosomes and  mRNAs.
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Which combination of variables will make an experiment the most reliable? A. Once controlled variable and many experimental vari
pav-90 [236]

Answer:

D. One dependent variable and one experimental variable

Explanation:

The experimental variable is defined as an independent variable which can be manipulated during an experiment in order to find out its impact or influence on the dependent variable.

The dependent variable refers to a variable that changes when an experimental or  independent variable is manipulated.

Every experiment must have at least one experimental variable and one dependent variable in order to yield any meaningful result.

6 0
3 years ago
How does the composition of a mixture of hydrogen and oxygen differ from the composition of a compound containing hydrogen and o
IrinaK [193]
Chemical compounds have chemically bonded molecules so that they exhibit different properties (i.e. chemical) compared to the individual molecules comprising the compound. Mixtures are simply the combinations of different molecules and compounds that are not chemically bonded together, and can therefore be separated by physical means. Mixtures usually retain the properties of its components. 

The hydrogen and oxygen molecules in a mixture do not form strong bonds between each other. The molecules of both gases are only contained in the same space or volume and the individual molecules retain their chemical properties. 

A compound containing hydrogen and oxygen molecules exhibit different chemical (and even physical) properties compared to the individual molecules themselves.

Water for example, is a compound with 2 hydrogen atoms and 1 oxygen atom, chemically-bonded together. Hydrogen gas is highly flammable, water is not. Oxygen gas is an essential reagent for combustion (or burning) reactions, water is not. 
 
Thus, throwing a lighted match to a gaseous mixture of hydrogen (H_{2}) and oxygen (O_{2}) would create fire, or even an explosion (since hydrogen is flammable and oxygen feeds the reaction). Throwing a match to water vapor (H_{2}O) would not create fire. 
5 0
4 years ago
What is the limiting reactant when 19.9 g CuO react with 2.02 g H2?
Harlamova29_29 [7]

Answer:

Explanation:

use the equation

moles = mass/mr

=19.9/79.5

=0.250moles of CuO

then do the same for

H = 2.02/1

=2.02

so CuO is the limiting reagent because there is less amount of it.

Hope this helps  :)

4 0
3 years ago
Metal M has only one oxidation state and forms a compound with the formula MHCO3. Which formula is correct? A.MNO3 b.MNH4 c.M(NO
never [62]

Answer:

The compound with the correct formula is;

A. MNO₃

Explanation:

The number of oxidation states in the metal, M = One oxidation state

The formula of the compound formed by the metal, M = MHCO₃

We note that the ion HCO₃⁻, known as hydrogen carbonate has an oxidation number of -1

Similarly nitrate, NO₃⁻ has an oxidation number of -1, therefore, the metal M can form similar compound formed with HCO₃⁻ with nitrate, and we have;

The possible compounds formed by the metal 'M' includes MHCO₃ and MNO₃.

5 0
3 years ago
How is an oxidation half-reaction written using the reduction potential chart? How is the oxidation potential voltage determined
insens350 [35]
Oxidation  half  reaction  is  written   as    follows when  using  using  reduction potential  chart
example  when  using  copper  it is  written  as  follows
CU2+   +2e-  --> c(s)  +0.34v
 oxidasation  is the  loos  of  electron  hence copper oxidation  potential  is  as  follows
cu (s)  -->  CU2+   +2e    -0.34v

7 0
3 years ago
Read 2 more answers
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