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Mrac [35]
3 years ago
12

BALANCING EQUATIONS HELP WILL MARK BRAINLIEST

Chemistry
1 answer:
Fed [463]3 years ago
4 0

Answer:

  1. C_{3}H_{8}+5O_{2}->3C O_{2}+4H_{2}OCombustion reaction
  2. Ca +Mg(NO3)2-> Ca(NO3)2+Mg Displacement reactio
  3. KOH +HBr ->KBr+H2O acid base reaction
  4. 4Na+O2 ->2Na2Ocombustion at low temperature
  5. 2MgO ->Mg+O2 Decomposition reaction
  6. 2K +Cl2-> 2KCl Chlorination reaction

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Answer:

18m/s

Explanation:

Given parameters;

Initial velocity  = 10m/s

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Unknown:

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Solution:

We use one of the kinematics equation to solve this problem:

          v  = u + at

v  = new velocity

u = initial velocity

a = acceleration

t = time

      v = 10 + (2 x 4)  = 18m/s

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