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Alex73 [517]
3 years ago
10

Different substances require different amounts of heat to change their temperature by a given amount. This behavior of the mater

ials is called the specific heat and is a characteristic of each material.
a. True
b. False
Chemistry
1 answer:
Vinil7 [7]3 years ago
8 0

Answer: True

Explanation:

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

It is dependent on the type of material and is fixed for a particular type of material. For example: The specific heat capacity of iron material is fixed and the value is 0.444J/g^0C

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Consider the reaction for the combustion of butane (C4H10), a component of liquefied petroleum (LP) gas. 2C4H10(g)+13O2(g)→8CO2(
polet [3.4K]

Answer:

The answer to your question is:

a) 3.87 mol of CO2

b) 14.63 mol of O2

Explanation:

                         2C4H10(g)  +   13O2(g)  →   8CO2(g)   +   10H2O(g)

a)

CO2 = ?

Butane 0.968 moles

From the balance equation     2 moles of butane   ----------   8 moles of CO2

                                                 0.968 moles of butane ------     x

                                                  x = (0.968 x 8) / 2

                                                 x = 3.87 moles of CO2

b)

moles O2 = ?

butane = 2.25 mol

From the balance equation

                                            2 moles of butane ---------- 13 mol O2

                                            2.25 mol                ----------   x

                                            x = (2.25 x 13) / 2

                                           x = 14.63 mol of O2                                

5 0
3 years ago
The illustration on the left represents a mixture of H2 (light blue) molecules and O2 (red) molecules. If these were to react to
kvasek [131]

Answer:

6 molecules of H2O are the maximum number.

Explanation:

From the drawing it can be seen that there are 6 H2 molecules and 3 O2 molecules reacting, which can be represented by the following chemical equation

6 H2 + 3 O2 ⇒ H2O

This equation is not balanced, so we proceed to balance it, being as follows:

6 H2 + 3 O2 ⇒ 6H2O

With which it can be determined that a maximum of 6 H2O molecules can be formed.

4 0
4 years ago
What makes a theory a good theory
Sophie [7]

Answer:

sientific method creating scientific theory

Explanation:

sience brob

4 0
3 years ago
How will the reaction rate of the SN1 reaction change if the electrophile is switched from the tertiary electrophile to a second
lions [1.4K]

The reaction rate of the SN1 reaction change if the electrophile is switched from the tertiary electrophile to a secondary electrophile will decrease.

SN1 exhibits substitution, nucleophilicity, and monomolecular reaction, and is expressed by the expression rate = k [R-LG]. This means that the rate-determining step of the mechanism depends on the degradation of a single molecular species. Multi-step reactions include intermediates and multiple transition states (TS).

The SN1 reaction is a nucleophilic substitution reaction in which the nucleophile replaces the leaving group (similar to SN2). However, the SN1 reaction is a single molecule. The rate of this reaction depends on the concentration of only one reactant.

Learn more about reaction rate  here: brainly.com/question/7578129

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8 0
2 years ago
Seawater is mostly a solution of sodium chloride in water. The concentration varies, but marine biologists took a sample with an
sineoko [7]

Answer:

1.0.16

2.a.355mg

b. 8.07mmol/L

3.7.83%

Explanation:

3 0
3 years ago
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