Answer:
The correct equation to calculate the heat of this reaction is:
ΔH = m*s*∆T
Explanation:
During any chemical reaction, heat can either be absorbed from the environment or released to the environment through the reaction. The heat exchange between a chemical reaction and its environment is known as the reaction enthalpy, or H. However, H cannot be measured directly; the change in temperature of a reaction over time is used to find the enthalpy change over time (denoted as ΔH).
In general ΔH = m*s*∆T, where m is the mass of the reactants, s is the specific heat of the product, and ΔT is the change in the reaction temperature.
Answer:
False. They can be both omnivores and carnivores.
Answer:
C. Synthesis reaction
Explanation:
Because the water is being made (synthesized) from two <u>elements</u> it is a synthesis reaction.
The atomic number of oxygen is 8. It has 8 electrons in its electron shells. The first electron shell can hold only 2 electrons. Thus, the second shell of the oxygen will contain the rest amount of electrons i.e. 6 electrons.
Answer: The second shell in the ground state of oxygen contains "6" electrons.
Answer:
Due to hydrogen bond in propylamine.
Explanation:
The boiling point or melting point are property of
a) size
b) the intermolecular force of interactions.
As we know that primary and secondary amines form intermoleclar hydrogen bonds, which increases the force of attractions between molecules increasing the boiling point of amines.
However in case of tertiary amines there is no hydrogen directly attached to electronegative nitrogen atoms, thus no possibility of formation of hydrogen bond hence low boiling points.
The structures are shown in the figure.
