Answer:
Identify each equation as a composition reaction, a decomposition reaction, or neither.
Fe2O3 + 3 SO3 → Fe2(SO4)3
NaCl + AgNO3 → AgCl + NaNO3
(NH4)2Cr2O7 → Cr2O3 + 4 H2O + N2
Solution
In this equation, two substances combine to make a single substance. This is a composition reaction.
Two different substances react to make two new substances. This does not fit the definition of either a composition reaction or a decomposition reaction, so it is neither. In fact, you may recognize this as a double-replacement reaction.
A single substance reacts to make multiple substances. This is a decomposition reaction.
Test Yourself
Identify the equation as a composition reaction, a decomposition reaction, or neither.
C3H8 → C3H4 + 2 H2
Explanation:
I hope I help :)))
An example of an extensive property of matter is mass , it is the amount of matter in a body. To measure it is used, as with weight, the kilogram. It is a scalar magnitude. there other examples of extensive property such as weight, volumen, length, potential energy, heat capacity and inertia.
The question is incomplete, the complete question is;
when two colorless solutions of ionic compounds are mixed, and the final mixture remains colorless. What type of a change does this represent? Select from the options below The information provided is insufficient for determining the type of change Physical change because the absence of color change indicates that there is no change in chemical composition of the mixture B Chemical change because the absence of color change indicates that there is a change in chemical composition of the mixture
Answer:
The information provided is insufficient for determining the type of change
Explanation:
A chemical change is one in which new substances are formed. Chemical changes are not easily reversible and they are often accompanied by evolution or absorption of heat.
A physical change does not lead to the formation of new substances. It is easily reversible.
Change in colour alone can not tell us whether a physical or chemical change has taken place. This is because colourless, miscible substances may have been formed in the process hence the final mixture remains colorless.
It is also possible that the two solutions were merely physically mixed. This is a physical change,
Therefore, the information provided is insufficient for determining the type of change.
Answer:
g = 1.11x10⁻⁵Ω.
Explanation:
The membrane conductance (g) can be calculated by dividing membrane current (I) through the driving force (Vm - E) as follows:
<em>where Vm: is the membrane potential and </em><em>: is the equilibrium potential for the ion or reversal potential. </em>
The equilibrium potential for the ion can be calculated using the Nernst equation:
<em>where R: is the gas constant = 8.314 J/K*mol, F: is the Faraday constant = 96500 C/mol, T: is the temperature (K), z: is the ion's charge, [ion]out and [ion]ins: is the concentration of the ion outside and inside, respectively. </em>
Now, we can calculate the membrane conductance (g) using equation (1):
Therefore, the membrane conductance is 1.11x10⁻⁵Ω.
I hope it helps you!
D magma is another form of a volcanic eruption.