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scoray [572]
3 years ago
5

4. which structure is found in all eukaryotic cells?

Chemistry
2 answers:
Zielflug [23.3K]3 years ago
7 0
I believe it is b. Golgi Apparatus
shusha [124]3 years ago
3 0

its b. golgi apparatus

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How many grams do 6.534e+24 molecules of phosphoric acid weigh?
fredd [130]

Answer:

1,063 grams H₃PO₄

Explanation:

To find the mass of phosphoric acid (H₃PO₄), you should (1) convert molecules to moles (via Avogadro's number) and then (2) convert moles to grams (via molar mass from periodic table).

Molar Mass (H₃PO₄): 3(1.008 g/mol) + 30.974 g/mol + 4(15.998 g/mol)

Molar Mas (H₃PO₄): 97.99 g/mol

6.534 x 10²⁴ molecules H₃PO₄                       1 mole                         97.99 g
---------------------------------------------  x  -------------------------------------  x  --------------
                                                            6.022 x 10²³ molecules          1 mole

= 1,063 grams H₃PO₄

3 0
2 years ago
Which substances in the diagram are most unstable? positive values of enthalpy negative values of enthalpy negative values -50 t
NemiM [27]

Answer:

no  s e

Explanation:

tampocose

8 0
3 years ago
Read 2 more answers
Suppose that CaO is added as an impurity to Li2O. If the Ca2+ substitutes for Li+, what kind of vacancies would you expect to fo
Leno4ka [110]

Answer:

Positive charges are eliminated by creating lithium vacancies, and for every Ca2+ ion added, a single lithium vacancy is formed.

Explanation:

The addition of calcium oxide as an impurity to lithium oxide creates an  interstices due to the replacement of the Lithium ion by calcium ion. The creation of  interstices is as a result of  the replacement of the positive ions (Lithium by calcium). To make the reaction neutral, these replacements must occur  when the interstices are formed

6 0
3 years ago
A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy chan
timurjin [86]

Answer:

C

Explanation:

The chemical energy stored in the match changed to thermal energy and light energy.

4 0
2 years ago
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Which body changes occur after an individual has become an adult?
morpeh [17]
Puberty is what is correct I believe
3 0
3 years ago
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