Chemistry Answers

If that a chunk of potassium weighing 7.55g is dropped into 400.0g of water at 25°C, what is the final temperature (in °C) of the water if all the heat released is used to warm the water?

if p1=4 atm and v1=3 l, what will v2 be if p2=7.3 atm?

What unit is used to describe reaction rate?

Explain in detail the Crystal Field Theory. Using

examples where applicable, how does the theory

explain the following for a transition metal complex;

1.The structure.

2.Colours behavior

3.Compound formation

4.Magnetic properties

Prepare and submit a one-page rep

The colour of red cabbage indicator is as below

original colour: purple

colour in acid :pink

colour in alkali :green

If a red cabbage has pink leaves.what can you infer about the soil it is growing in ?

 The boiling point of an aqueous solution is 102.5°C. What is the freezing point of the solution?

A solution of propylene glycol (antifreeze) in the car's radiator has a freezing point of -20°C. What is the molality of the solution?

Calculate the percent composition of Iron and oxygen in the product if the mass of iron is 7.874g and mass of oxygen is 1.429g

if it takes 24.8 ml of 1.20N acid to neutralize 3.25 g of a base, what is the equivalent weight of the base

The reaction of diatomic fluorine gas (F2) with compound X yields a single product, compound Y. The mass percent composition of the product, compound Y is 61.7% F2 and 38.3% Cl. What is the probable empirical formula for product Y? What is a probable empirical formula for compound X?