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melomori [17]
3 years ago
12

Which topic is Eunice's project most likely about?

Chemistry
1 answer:
otez555 [7]3 years ago
6 0

Answer:

pioneer species. because they are flower like species

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A 13.00 g sample of citric acid reacts with an excess of baking soda as shown in the equation. What is the theoretical yield of
julia-pushkina [17]
Chemical equation of the reaction between citric acid and baking soda:

C_{6}  H_{8}  O_{7} +3NaHCO_{3} -\ \textgreater \  Na_{3} C_{6} H_{5} O_{7} +3 H_{2} O+3CO_{2}

Ratios

Citric Acid        Baking soda    ->  Sodium Citrate  Water    Carbon Dioxide
C6H8O7                                                                                CO2
1 mole                                                                                     3moles

Molecular masses
Citric acid
6*12 + 8*1 + 7*16 = 192 g/mole
Carbon dioxide
12 + 2*16 =   44 g/mole

Proportion carbon dioxide / citric acid

3 * 44 g of carbon dioxide / 192 g of citric acid

132 g of carbon dioxide / 192 g of citric acid

13.00 g of citric acid * [132 g of carbon dioxide / 192 g of citric acid] =  8.94 g of carbon dioxide.

Answer: 8.94 grams.
3 0
3 years ago
Read 2 more answers
The atomic mass of titanium is 47.88 atomic mass units. This atomic mass represents the
kkurt [141]
Answer (3) is the most correct, although (2) is not to be ignored. (3) states the most abundant isotope Ti's average mass, which is certainly true. (2) is the total mass of all protons, neutrons, and electrons in an atom of Ti, which is true but has to be more specific in order to pinpoint exactly the 47.88 amu. (4) is incorrect because it is not of all the naturally occurring isotopes of Ti. (1) is incorrect because they forgot electrons.
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3 years ago
PLEASE ANSWER THIS FASTE LIKE RIGHT KNOW!!!!!
mamaluj [8]
The two strands of a DNA molecule must be separated
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2 years ago
What causes clothes from a dryer to stick together?
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Different fabrics rub together, and electrons may rub off 
8 0
3 years ago
The boiling process is considered to be____
Dmitry_Shevchenko [17]

your answer is <u>D</u><u>.</u><u> </u>physical change, because a new substance is not formed.

5 0
2 years ago
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