Answer:
The net force on a vehicle that is accelerating at a rate of 1.5
The net force on a vehicle that is accelerating at a rate of 1.5 m/s2 is 1,800 newtons.
Explanation:
Which list of elements contains a metal, a metalloid, and a nonmetal?(1) Zn, Ga, Ge (3) Cd, Sb, I(2) Si, Ge, Sn (4) F, Cl, Br
Sladkaya [172]
3) Cd . Sb . I
<span>look at the periodic chart- if the element is on the right it is a nonmetal, if it is on the left its a metal, and if it is in between it is a metalloid</span>
<span>Earth's gravitational potential energy: GPE = mgh = Gravity (9.81m/s2) × Mass (kg) × Height (m)
it's k</span><span>inetic energy</span>
Answer:
2480$
Explanation:
2000$*(3%=0.03)=60$
multiply by 8 = 480$
then by adding it to 2000 = 2480$
Answer: The molecular formula will be
Explanation:
If percentage are given then we are taking total mass is 100 grams.
So, the mass of each element is equal to the percentage given.
Mass of H = 5.80 g
Mass of N = 20.16 g
Mass of O = 23.02 g
Mass of Cl = 51.02 g
Step 1 : convert given masses into moles.
Moles of H =
Moles of N =
Moles of O =
Moles of Cl =
Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.
For H =
For N =
For O =
For Cl =
The ratio of H: N: O: Cl= 4: 1: 1: 1
Hence the empirical formula is
The empirical weight of = 4(1)+1(14)+ 1(16) + 1(35.5)= 69.5 g.
The molecular weight = 278 g/mole
Now we have to calculate the molecular formula.
The molecular formula will be=