Answer:
1-C
2-A
3-B
Explanation:
K=[N204]/[NO2]
In the first question the reaction is at equilibrium. When the temperature is decreased, more N2O4 if formed and K increases. When the temperature is increased, more NO2 is formed and K decreases.
Convert all of the units from centimeters to meters by moving the decimal point over to the left two digits.
0.15 m x 0.06 m x 0.12 m
Volume = length x width x height
= 0.15 x 0.06 x 0.12 = 0.00108 m^3
Answer:C. Penicious anaemia
Explanation: Penicious anaemia is a disease caused by the bodies inability to make enough vitamin B-12 required to produce healthy red blood cells,it is a very rear disease with a 0.1% prevalence in the population,it has a higher of approximately 2% prevalence among the older members of the population especially those above 60years old according to a 2012 medicine study.
The symptoms of this disease include weight loss, memory loss,loss of appetite,heart burn etc
It can be treated with vitamin B-12 drugs or injections,it can be prevented by taking enough foods like Meats, shellfish,eggs, poultry products and vitamin B-12 supplements.
Answer:
D (i believe)
Explanation:
When the heated air causes the hot air balloon to lift, it decreases the weight. ( think so, my dad explained kinda hard.)