Please help me solve it. A hydrocarbon contains 7.7% by mass of hydrogen. If the relative molecular mass of the compound is 78, calculate the empirical and molecular formulae of the compound. With steps too
geegirlgold
Asked:
December 2022
Please answer correctly... I need it urgently If a string of length 40cm and mass 1gramm vibrates in three loops, calculate the tension in the string. Please show working
geegirlgold
Asked:
December 2022
If a string of length 40cm and mass 1gramm vibrates in three loops, calculate the tension in the string. Please show working. If you don't know the answer or how to solve it please don't say nonsense.
geegirlgold
Asked:
December 2022
If a string of length 40cm and mass 1gramm vibrates in three loops, calculate the tension in the string. Please show working. If you don't know the answer or how to solve it please don't say nonsense.