Answer:
The Police Officer
Explanation:
The Police Officer said : her key the best key on world
- Is there another problem?
- Police officer Dua is right.
Answer:- The substance is Propane and right choice is C.
Solution:- 10140000 J of heat is used to boil 28.47 kg at 298 K. Here, the important thing is, the liquid is changing to vapor and the temperature is not changing means it's a phase change. So, the formula used for this is:
where, q is the heat energy, m is mass and is the enthalpy of vaporization.
Let's rearrange the formula for as:
=
Let's plug in the values:
=
=
If we round this then it is . Hence, the right choice is C. propane.
Through hypothesis and experiments
A cell is highly efficient in fulfilling an extensive variety of tasks all by itself. Numerous processes, like transport, protein formation, cellular respiration, etc. take place inside the cell. These different functions are essential for an organism to be able to survive, and these can be accomplished by the cell due to the specialized functions and role of the organelles. The cell organelles execute their functions in order to help with the survival of the cell. The ribosomes help in protein formation, the mitochondria generates ATP and the phagocytes carry out phagocytosis. These specialized functions are very helpful so that a cell could perform a lot of functions.
Answer:
I think its D. and A hopefully that's right