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valentina_108 [34]
3 years ago
6

Which of the following reactions will proceed as drawn below? (Yes or No)

Chemistry
1 answer:
Crazy boy [7]3 years ago
5 0

Answer:

i wish i could help but t know either so i wish you luck for an answer once again truly sorry don'

Explanation:

i am sorry but i do not know :(

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Which substance can be decomposed by chemical means
jolli1 [7]

Answer:

the answer is Compounds

Explanation:

Compounds are pure substances formed by the combination of elements; they can be decomposed by ordinary chemical means.

5 0
3 years ago
Susan needs to measure and heat the chemical she wants to use in an experiment with a graduated cylinder. Which graduated cylind
Brut [27]
I think the best answer from the choices listed above is option B. The best graduated cylinder for this case is the glass cylinder. A metal cylinder is not possible because you cannot measure really since metals are not transparent. A plastic cylinder cannot also be used since the substance should be heated for the experiment.
6 0
3 years ago
Read 2 more answers
How many moles of butane (C4H10) must be burned in an excess of O2 to produce
Sedbober [7]

Answer: 6,25 moles

Explanation: mark amount of butane x.

From equation you can calculate x in a following way:

2/x = 8/25. 8x = 50. And x = 6,25

4 0
2 years ago
What is the result in the double displacement reaction of hydrochloric acid and
gayaneshka [121]

Answer:

Lithium chloride (LiCl), carbon dioxide, and water

Explanation:

Li₂CO₃ + HCl ⇒ LiCl + CO₂ + H₂O

When lithium carbonate reacts with hydrochloric acid, lithium chloride, water, and bubbles of carbon dioxide gas are given off. This is the result of a double displacement reaction followed by a decomposition reaction.

Hope that helps.

6 0
3 years ago
Calculate the specific heat in J/(g·ºC) of an unknown substance if a 2.50-g sample releases 12.0 cal as its temperature changes
Degger [83]

Answer:

\fbox{c =  - 4.01 \: joule/g°C}

<em><u>Step by step explanation</u></em><em><u>:</u></em>

<em>Given:</em>

Mass of given sample (m) = 2.50 g

Initial temperature (T1) = 25°C

Final temperature (T2) = 20°C

Heat Energy Q = 12 cal

<em>T</em><em>o </em><em>find:</em>

<em>Specific \:  Heat \:  c = \:  ?</em>

<em>Solution</em><em>:</em>

We know that,

<em>Specific</em><em> </em><em>heat</em> <em>of </em><em>any </em><em>substance </em><em>is </em><em>directly</em><em> </em><em>proportional</em><em> </em><em>to </em><em>the </em><em>mass </em><em>and </em><em>change </em><em>in </em><em>temperature.</em>

Represented by equation,

Q = mc \triangle T

Where,

<em>Q = Heat Energy</em>

<em>m = mass of given sampl</em><em>e</em>

<em>c = specific heat</em>

<em>∆T = change in </em><em>temperature</em>

Substituting corresponding values,

<em>Q = mc \triangle T \\  12 = 2.5\times c \times (20-25) \\ c  =  \frac{12}{2.5 \times ( - 5)}  \\  c =  - 0.96 \: cal/g°C \\</em>

We also know that,

1  \: cal = 4.184  \: joules

multiplying above answer by 4.184,

c =  - 0.96 \times 4.184 \\  \fbox{c =  - 4.01 \: joule/g°C}

<em>Thanks for joining brainly community!</em>

6 0
2 years ago
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