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Lady bird [3.3K]
3 years ago
11

Which of the following does not have radial symmetry.

SAT
1 answer:
kari74 [83]3 years ago
3 0

Answer:

Following? I think we need a picture?

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Find δs o for the combustion of methane to carbon dioxide and liquid water.
mote1985 [20]

The entropy change ΔS for the combustion of methane to carbon dioxide and liquid water is -242.6 J/mol.K

<h3>What is the Entropy in a Chemical system?</h3>

In a chemical system, Entropy (ΔS) is a quantitative measure of the variety of possible ways to disperse energy inside a chemical system.

  • In an isothermal process, entropy is determined as the quantity of heat transmitted to a system.

The chemical reaction for the combustion of methane can be expressed as:

\mathbf{CH_{4(g)} + 2O_{2(g)} \to CO_{2(g)} + 2H_2O_{(l)}}

The standard entropy of the combustion is expressed as:

\mathbf{\Delta S^0 =(S^0 _{CO_{2}} + 2 \times S^0 _{H_{2}O} )+(-S^0 _{CH_{4}}  -2 \times S^0 _{O_{2}} })

Replacing the standard entropies of the compounds into the above equation, we have:

\mathbf{\Delta S^0 =(213.8 \8 \ J/mol.K + 2 \times69.92 \ J/mol.K  )+(-186.16 \ J/mol.K -2 \times 205.04 \ J/mol.K})

\mathbf{\Delta S^0 =-242.6 \ J/mol.K}

Learn more about entropy here:

brainly.com/question/6364271

6 0
2 years ago
Hi! can someone tell me what a holy communion is? it's for my religious education essay. thanksx
mojhsa [17]

Answer:

Explanation: The Holy Communion is a practice in Christianity, also recognised as one of the 7 sacraments (First Holy Communion). This is where a child (typically 7-10 years old) has their first Eucharist and confession. This is when they go to the priest and confess their sins, and can then claim the Eucharist, which is when they eat "the body of Christ". The small piece of bread given is known as "the body of Christ", and the wine as Jesus's blood. (....check next answer for the rest)

monicawiszowata avatar

After receiving the first Holy Communion, this is simply a natural procession in church. Priest will say "The Body of Christ", the receiver says "Amen", and eats the bread. Upon eating the bread, they do the sign of the cross. This is done to symbolise that Christ is among the receiver of the Communion.

6 0
3 years ago
Read 2 more answers
Soon Yi loves to bake, and she is making flaky pastry. Soon Yi starts with a layer of dough 222 millimeters (\text{mm})(mm)left
frozen [14]

Answer:

3 times

Explanation:

When the dough is folded, it increases by a constant factor. We can model the growth of the thickness using the exponential growth model

T(n)=T_0(1+r)^n

Where:

Initial thickness, T_0 = 2mm

Growth factor, r =8%=0.08

We want to find the smallest number of times Soon Yi will have to roll and fold the dough so that the resulting dough is at least 2.5mm.

i.e When T(n)\geq 2.5$ mm

2(1+0.08)^n\geq 2.5\\2(1.08)^n\geq 2.5\\$Divide both sides by 2$\\\dfrac{2(1.08)^n}{2}\geq \dfrac{2.5}{2}\\\\1.08^n\geq 1.25\\\\$Change to logarithm form\\n \geq \log_{1.08}1.25\\\\n\geq \dfrac{\log 1.25}{\log 1.08} \\\\n\geq 2.9

Therefore, the smallest number of times Soon Yi will have to roll and fold the dough so that the resulting dough is at least 2.5mm thick is 3.

4 0
3 years ago
Read 2 more answers
Sean received both the 5th highest and the 5th lowest mark in the class. How many students are there in the class?.
kolezko [41]

If we read the complete exercise, we can understand that the correct answer is 9 students.

This is a math related exercise.

If we take into consideration that Sean is the 5th highest in the class, it means that there are four more people before him.

However, he is also the 5th lowest mark in the class, so it means that there are four more people below him.

If we also count Sean, there are:

  • 9 students in the class.

Check more information about math exercises here brainly.com/question/10704243?referrer=searchResults

5 0
2 years ago
The box of candies is shared equally.
masha68 [24]

Answer:

hmm I guess you want to complete ur question..,m

4 0
2 years ago
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