What allows a mixture to be seperated by filtration

Give an example of an autnomous solution such that

What do we beileve is at the center of the milky way A) two stars that have collided together B) a cluster of stars C) A black hole D) A collapsed planet

Which of the followings primarily exist as positively charged at pH7 (pKa for NH2 is ~9 and for imidazole ring ~6, be careful with your calculation using pH=pKa+log (A/HA+) :

For a particular reaction, ΔH = 134.1 kJ/mol and ΔS = 35.0 J / (mol·K). Calculate ΔG for this reaction at 298 K. What can be said about the spontaneity of the reaction at 298 K? () the system is spontaneous as written.

The fact that water can travel from the roots to the top a tree indicates that which is stronger? A. Cohesion B. Adhesion C. Both are same D. Phil's Muscle

Three differences between a science and a pseudoscience

Why is it illegal to manufacture fireworks without a license

Be sure to answer all parts. Enter your answers in scientific notation. The following values are the only allowable energy levels of a hypothetical one-electron atom: E6 = - 2.0*10-19 J E5 = - 7.0*10-19 J E4 = - 11.0*10-19 J E3 = - 15.

In which process are the products right side of the equation that comes out of the reaction, of the reaction glucose and oxygen?

Given example of the model used in science that is larger than the real object and an example of a model that is smaller than the real object