Answer:
0.4m/s²
Explanation:
Given parameters:
Mass of student = 50kg
Force = 20N
Unknown:
Acceleration = ?
Solution:
From Newton's second law of motion,
Force = mass x acceleration
Acceleration = 
= 
= 0.4m/s²
Answer:
96g
Explanation:
Given parameters:
Number of moles of NaOH = 2.4moles
Unknown:
Mass of NaOH = ?
Solution:
The mass of a substance given the number of moles can be found using the expression below;
Mass of NaOH = Number of moles x molar mass;
Molar mass of NaOH = 23 + 16 + 1 = 40g/mol
Now input the parameters and solve;
Mass of NaOH = 2.4 x 40 = 96g
The bonds of a glucose molecule store chemical energy
Answer: The -ite suffix is used on the oxyanion with one oxygen atom fewer (like sulfite SO32- or nitrite NO2-).
