Answer:
D. 11686.076 cm^3.
Explanation:
Assuming that this is a prism the volume is:
5.54 * 10.6 * 199
= 11686.076 cm^3.
The name of Pb(NO3)2 is lead (II) nitrate and its bond type is ionic bond. Details about bonding can be found below.
<h3>What is ionic bonding?</h3>
Ionic bond is a type of chemical bond where two atoms or molecules are connected to each other by electrostatic attraction.
According to this question, the chemical formula of lead (II) nitrate is given as follows: Pb(NO3)2.
The two constituent ions in this compound are as follows: Pb2+ and NO3-. They are bonded by an ionic bond.
Therefore, the name of Pb(NO3)2 is lead (II) nitrate and its bond type is ionic bond.
Learn more about ionic bond at: brainly.com/question/11527546
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I am going to say C. it has to do with the angles
Answer:
0.385 J/g°C
Explanation:
Using the following formula, the specific heat of an elemental substance can be calculated:
Q = m × c × ∆T
Where;
Q = quantity of heat (J)
m = mass (g)
c = specific heat capacity (J/g°C)
∆T = change in temperature (°C)
Based on the given information, Q = 1375J, m = 50g, initial temperature = 22.8°C, final temperature = 94.2°C, c =?
Q = m × c × ∆T
1375 = 50 × c × (94.2 - 22.8°C)
1375 = 50 × c × 71.4
1375 = 3570c
c = 1375/3570
c = 0.3851
c = 0.385 J/g°C
<span>Hydroelectric energy uses the movement of water to spin a turbine and produce electricity. Coal is a fossil fuel that is burned as an energy source, which results in emissions such as carbon dioxide, nitrogen, and sulfur. Coal use is associated with waste products both from the mining process to acquire the coal and also from the actual use of coal itself. Hydroelectric energy does not involve waste, but does pose potential problems to waterways. Coal use is more common than the use of hydroelectric energy.</span>
