Answer:
1) combustion
2) double replacement
3) combination
4) combustion
Explanation:
The combustion of a compound refers to the reaction of that compound with oxygen to produce heat and light. In reactions (1) and (4) above, ethanol and methane reacted with oxygen to yield carbon dioxde and water. This is a combustion reaction.
Reaction(2) is a double replacement reaction because the both cations exchange their anion partners in the product.
Reaction (3) is a combination reaction. It involves the joining of two elements to form a new compound.
Answer is: <span>b) A/4B.
Chemical reaction: A + 4B </span>→ C + 3D.
from chemical reaction: n(A) : n(B) = 1 : 4.
a) if 1A reacts with 1B, there is not enough B (need 3B more).
c) if 3A react with 4B, there is not enough B (need 8B more).
d) if 4A react with 1B, there is not enough B (need 15B more).
Answer:
To make this work, you'll either need to: Learn the names of all the radicals first, before you even look at any kanji. This method feels slow at first, but overall it's probably going to take a similar amount of time compared to any other method.
Answer:
1.8 L
Explanation:
Given data:
Initial volume of gas = 4.2 L
Initial pressure of gas = 101 kpa
Final volume of gas = ?
Final pressure of gas = 235 kpa
Solution:
The given problem will be solved through the Boly's law,
"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"
Mathematical expression:
P₁V₁ = P₂V₂
P₁ = Initial pressure
V₁ = initial volume
P₂ = final pressure
V₂ = final volume
Now we will put the values in formula,
P₁V₁ = P₂V₂
101 kpa × 4.2 L = 235 kpa × V₂
V₂ = 424.2 kpa . L/ 235 kpa
V₂ = 1.8 L
So when pressure is increased the volume of gas becomes 1,8 L.
Answer:
yes it is
Explanation:
b bc it is i did the test
