Complete and balance the following reactions (the left-hand side is not necessarily balanced already) d. TeF6 + H2O → _________________________________ e. CH3COCH3 + SF4 → __________________________________ f. BaS + O3 → ____________________________________

Explain evidences of chemical reactions in your daily life.

For each of the following sets of reactants, write the balanced equation for the single displacement reaction that occurs. If you determine that a reaction will not occur, write “NR”, and provide a brief explanation.  a. Aluminum metal + aqueous nickel(II) nitrate b. Gold metal + hydrobromic acid

Nickel metal reacts with cadmium(II) nitrate reacts to produce cadmium metal and nickel(II) nitrate. Write the reaction equation on your scratch paper before answering this question. For this reaction Group of answer choices Ni is the reducing agent and it gains electrons. Cd2+ is the reducing agent and it loses electrons. Cd2+ is the oxidizing agent and it loses electrons. Cd2+ is the oxidizing agent and it gains electrons. Ni is the oxidizing agent and it loses electrons.

Give the answver in grams per liter. 5.55 The density of the vapor of a compound at 90°C and 720 mmHg is 1.434 g/L. Calculate the molecular wcight of the compound.

2) Write and balance this reaction: solid iron (III) oxide produces solid iron plus oxygen gas. Identify reaction type. Remember to write states for each reactant and product. You should know the states of the elements from chapter 1.

3. Lead metal is dropped into an Erlenmeyer flask containing a solution of magnesium nitrite. For this reaction,  a) Determine the type of reaction, and  b) if the reaction occurs, write the balanced reaction, including all states of matter, or c) if the reaction does not occur, explain why the reaction does not occur.

A. Which group 3 element is the most reactive? Express your answer as a chemical symbol.   B. An oxide of a group 4 element is commonly used as a white pigment in paints, paper, rubber, and plastic and is accepted as the most important compound of the group 4 elements. Identify this compound. Express your answer as a chemical formula.   C. What is the most common oxidation state of the group 5 elements? the oxidation state:   D.A group 6 element (MM) is in a compound with the formula MBr2. The same metal forms a red solid with the formula MO3. What is the identity of MM? Express your answer as a chemical symbol.

Part AThe figure (Figure 1) shows the reaction of element A (lavender spheres) with element B (tan spheres). Write the balanced chemicalequation for this reaction in terms of A and B.Express your answer as a chemical equation.

Write the formula equations and then balance each of the following reactions.  a. phosphoric acid plus ammonium hydroxide gives ammonium phosphate plus water b. C14H30 plus oxygen gas gives carbon dioxide plus water