please have look at Periodic table , you will solve it yourself !
Answer:
Mass of solute = 0.0036 g
Explanation:
Given data:
Concentration of Cl⁻ = 15.0 ppm
Volume of water = 240 mL
Mass of Cl⁻ present = ?
Solution:
1 mL = 1 g
240 mL = 240 g
Formula:
ppm = mass of solute / mass of sample ×1,000,000
by putting values,
15.0 ppm = (mass of solute / 240 g) ×1,000,000
Mass of solute = 15.0 ppm × 240 g / 1,000,000
Mass of solute = 0.0036 g
Substance change.
solid to a liquid
melting state when heat was applied.
Answer: 35280 J of Gravitational energy
Solution:
Given:
Mass of the vehicle,(m)=1200kg

Maximum height reached,(h)= 3 m
Gravitational energy or gravitational potential energy can be calculated as;


Gravitational Energy = 35280 J
Answer:
fossil fuil is way easer to burn
Explanation:
also transport good luck!