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Questions (20)
Lewis dot diagram for H3O- ion with a negative charge including an explanation
1 answer
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Lewis dot diagram for H3O- including an explanation
1 answer
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what indicator do I use in an oxalic acid, sodium hydroxide neutralization reaction and why
1 answer
7 views
Show with extensive reasons the half equation for Cr2O7 2- turning into Cr3+
1 answer
6 views
show with reason the oxidation number of Cr2O7 2- and 2Cr 3+
1 answer
8 views
show with reason the oxidation number of MnO4 -
1 answer
10 views
after calculating the number of mol of NaHCO3 in 2,2g of baking soda, calculate the concentration of vinegar used if 75cm³
1 answer
7 views
calculate the number of mol of NaHCO3 in 2,2g of baking soda
1 answer
2 views
Determine via calculations, the molecular formula of ethanoic acid with a molecular mass of 60g/mol and consisting out of 39,9%
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2 views
a dilute solution of ethanoic acid is used in households daily. The relative molecular mass of ethanoic acid is 60g/mol.
1 answer
2 views
suggest one way to minimize errors in this experiment where we investigate how the acceleration of the trolley changes when
1 answer
16 views
suggest one way to minimize errors in this experiment
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24 views
state 2 examples of newtons second law in every day life
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what safety precautions should be followed in a physics investigation where newtons second law is used to investigate how the
1 answer
16 views
What is slaked lime?
1 answer
109 views
A car has a potential energy of 2.00x10⁵J when the dar has a speed of 14.0m/s. Calculate the kinetic energy of the car when
2 answers
394 views
A construction hoist does 2.74x10⁴J of work in lifting a load of bricks from the street to the roof of a building. The roof is
2 answers
670 views
A flat 100kg rock slides down a smooth rocky hill. It started from rest. The hill is 100m long and 50m high. The friction force
2 answers
774 views
A 1000kg elevator is carrying 10 people at a constant velocity over a distance of 30.0m. Assuming the average mass of a person
1 answer
473 views
Two charges repel each other with a force of 10-5newton when they are 20cm apart. what is the force on each of them are i 3cm
1 answer
2,981 views
Answers (6)
1 a& b
12
yes kinetic energy
I want to see the answers of this question
if he travels 7.0km west of North 100km East find the resultant displacement
if a man travels 7.0km 30° East of North and then 10km East find the resultant displacement
