1.=b)
2.=b)
3.=a)
4.=a)
5.=d)
6.=a)
7=d)
Explanation:
acid --> HCN
base --> KCN
now
another base NaOH is added
we know that
base will react with an acid
so
OH- + HCN ---> CN- + H20
we can see that
HCN is used up , so number of moles of HCN will decrease
CN- is being formed , so number of moles of CN- will increase.
A false
B false
C false
D true
E false
Answer:
Bb and Bb
Explanation:
This will give you the desired results of one homogeneous BB (brown), two heterogeneous Bb (brown), and one homogeneous bb (tan).
The answer is certain chemical symbols on the periodic table were named not anlyafter the people who discovered them. some of their chemical symbols were even taken from their Latin names. in sodium's case it was taken from it's original Latin name, natrium, as is na.
Like do you mean how it effects the weather changes or like what it does to change it