Answer:
The answer to your question is m = 52.22 g
Explanation:
Data
mass of Cu = ?
Energy = 2653.8 J
temperature 1 = 155°C
temperature 2 = 23°C
Specific heat = 0.385 J/g°C
To calculate the mass of Copper, use the formula of specific heat and solve it for mass.
Formula
Q = mC(Temperature 2 - Temperature 1)
Solve for m
m = Q / C (Temperature 2 - Temperature 1)
Substitution
m = 2653.8 / 0.385(23 - 155)
Simplification
m = 2653.8 / 0.385(132)
m = 2653.8 / 50.82
Result
m = 52.22 g
Answer:
The mass of the copper is 53.22 grams
Explanation:
Step 1: Data given
Energy = 2653.8 J
Initial temperature = 155 °C
Final temperature = 23°C
Specific heat of copper = 0.385 J/ g°C
Step 2: Calculate mass of copper
Q = m*c*ΔT
⇒ with Q = the energy = 2653.8 J
⇒ with m = the mass of copper = TO BE DETERMINED
⇒ with c= The specific heat of copper = 0.385 J/g°C
⇒ΔT = The difference in temperature = T2 - T1 = 23 - 155 = -132°C
2653.8 J = m * 0.385 J/g°C * 132 °C
m = 2653.8 / (0.385*132)
mass of copper = 52.22 grams
The mass of the copper is 53.22 grams
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Answer:
"Earth-centered," or "geocentric" Ptolemy thought that all celestial objects — including the planets, Sun, Moon, and stars — orbited Earth. Earth, in the center of the universe, did not move at all.
Explanation:
Answer:
Geocentric
Explanation:
Its the belief that earth was the center of the solar system instead of the sun
The ratio of atoms in HCl is
The ratio of atoms in hydrogen chloride shortened as HCl is 1:1. This is because there is only one atom of hydrogen that is reacted with another atom of chlorine. A ratio indicates the relative sizes of two or more quantities.
When given another compound like H₂ SO₄, we can describe the elements as being in the ratio of 2:1:4. Thus, we can see the relative quantities of the individual elements in the given compound.
In conclusion, the ratio of atoms in HCl is 1:1.
Learn more about the ratio of atoms here:
Answer:
Each molecule of HCl is composed of a one-to-one ratio of hydrogen and chlorine.
Explanation:
At room temperature, HCl is a colorless, poisonous gas. Dissolve it in water, and, voilà, you have hydrochloric acid. For the record, acids are substances that release hydrogen ions in water. The more hydrogen ions an acid releases in water, the stronger the acid (see "What is an ion?" below). If you concluded from the above discussion that HCl releases many hydrogen ions in water, you are right!
Answer:
H+
Explanation:
An bhfuil an freagra.
In this reaction, ammonia molecules (NH3) act as a base because they
(1) accept hydrogen ions (H+)
(2) accept hydroxide ions (OH-)
(3) donate hydrogen ions (H+)
(4) donate hydroxide ions (OH-)
Answer:
1. accept hydrogen ions (H+)
Explanation:
In the given reaction, NH3 acts as a base because it accepts hydrogen ions (H+) from the acid HCl to form the conjugate acid NH4+. Therefore, the correct answer is 1. accept hydrogen ions (H+).