Why is it useful to write chemical equations?

Why is it useful to write chemical equations?
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Write the balanced chemical equations for the following reactions and identify the type of reaction in each case: -SST 10th

Description : Write the balanced chemical equations for the following reactions and identify the type of reaction in each case: -SST 10th

Last Answer : This is an example of combination reaction. A combination reaction is one in which or more reactants combine to form a single product (b) NaOH(aq)-CH3COOH(l) → CH3COONa(aq)+H2O(l) This is an ... is also an exothermic reaction as it evolves a lot of heat. It is also known as oxidation reaction.

(a) Write the essential condition for the following reaction to take place: 2AgBr—-> 2Ag + Br2 Write one application of this reaction. (b) Complete the following chemical equation of a chemical reaction 2FeS04 — chemical-reactions-and-equations-chapter-wise-important-questions-class-10-science-5 (c) What happens when water is added to quick line. Write chemical equation. -Chemistry

Description : (a) Write the essential condition for the following reaction to take place: 2AgBr--> 2Ag + Br2 Write one application of this reaction. (b) Complete the following chemical equation of a chemical ... science-5 (c) What happens when water is added to quick line. Write chemical equation. -Chemistry

Last Answer : Answer. This reaction is used in photography. (c) Slaked lime is formed with hissing sound and lot of heat is envolved.

Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Description : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Last Answer : i hope it helped you

Identify A, B, C, D and write the balanced chemical equations of formarion of A to B and A to C.

Description : Identify A, B, C, D and write the balanced chemical equations of formarion of A to B and A to C.

Last Answer : Identify A, B, C, D and write the balanced chemical equations of formarion of A to B and A to C.

Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → Magnesium oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl

Is KOC(CH3)3 equivalent to KOH as a base in chemical equations?

Description : Is KOC(CH3)3 equivalent to KOH as a base in chemical equations?

Last Answer : This depends completely on the equation in question. For instance, both are strong bases, so if that's all you're worried about, yeah, they're about equivalent. But potassium tert-butoxide is way bulkier ... not in others. Those are the big differences that jump out to me, but there may be others.

State the type of chemical reactions and chemical equations that take place in the following: (i) Magnesium wire is burnt in air. (ii) Electric current is passed through water. (iii) Ammonia and hydrogen chloride gases’are mixed. -Chemistry

Description : State the type of chemical reactions and chemical equations that take place in the following: (i) Magnesium wire is burnt in air. (ii) Electric current is passed through water. (iii) Ammonia and hydrogen chloride gases’are mixed. -Chemistry

Last Answer : This is the Answer:

what are 2 skeletal chemical equations?

Description : what are 2 skeletal chemical equations?

Last Answer : Zn + HCl → ZnCl2 + H2Mg + O2 → MgOSkeleton Equations are the equations in which there is only chemical formula of reactants and products but no state mentioned and no balancing of atoms on either side of Equation done.

How are chemical equations calculated?

Description : Isn't there a table or trick?

Last Answer : There is only one trick to it. Learn it.

What law of physics science must be followed when balancing chemical equations?

Description : What law of physics science must be followed when balancing chemical equations?

Last Answer : What is the answer ?

What does the line in chemical equations mean?

Description : What does the line in chemical equations mean?

Last Answer : What is the answer ?

Briefly explain the extraction of aluminium from alumina with chemical equations.

Description : Briefly explain the extraction of aluminium from alumina with chemical equations.

Last Answer : Aluminium oxide dissolved in molten cryolite is taken in a chamber with gently sloped base.The inner wall is made of carbon lining. Graphite rods are introduced in the electrolyte bath. The carbon lining ... is passed. Molten aluminium collects at the lining and flows out of the gently sloped base.

It is important to balance the chemical equations to satisfy the law of conservation of mass. Which of the following statements of the law is incorrect? (a) The total mass of the elements present in the reactants is equal to the total mass of the elements present in the products. (b) The number of atoms of each element remains the same, before and after a chemical reaction. (c) The chemical composition of the reactants is the same before and after the reaction (d) Mass can neither be created nor can it be destroyed in a chemical Reaction.

Description : It is important to balance the chemical equations to satisfy the law of conservation of mass. Which of the following statements of the law is incorrect? (a) The total mass of the elements present in ... the reaction (d) Mass can neither be created nor can it be destroyed in a chemical Reaction.

Last Answer : Answer : (c) The chemical composition of the reactants is the same before and after the reaction

Ch 1 – Chemical Reactions and Equations

Description : Ch 1 – Chemical Reactions and Equations

Last Answer : Ch 1 – Chemical Reactions and Equations

Write three possible linear equations which can pass through point (3, –2). -Maths 9th

Description : Write three possible linear equations which can pass through point (3, –2). -Maths 9th

Last Answer : Solution :-

Write balanced equations for the reaction of: (i) aluminium when heated in air. Write the name of the product. (ii) iron with steam. Name the product obtained. (iii) calcium with water. Why does calcium start floating in water? -Chemistry

Description : Write balanced equations for the reaction of: (i) aluminium when heated in air. Write the name of the product. (ii) iron with steam. Name the product obtained. (iii) calcium with water. Why does calcium start floating in water? -Chemistry

Last Answer : The bubbles of hydrogen stick to the surface of metal that is why it floats.

What is the work The length of a rectangle is 4 cm more than 3 times the width. The perimeter is 88 cm. What are the dimensions of the rectangle Write a system of equations based on the info?

Description : What is the work The length of a rectangle is 4 cm more than 3 times the width. The perimeter is 88 cm. What are the dimensions of the rectangle Write a system of equations based on the info?

Last Answer : Let its length be 3x+4 and its width be x Perimeter: 2*(3x+4+x) = 88 Solving the equation x = 10 Therefore: length = 34 cm and width = 10 cm Check: 2*(34+10) = 88 cm

When taking science notes, students should write down every word the teacher says. highlight familiar words and concepts. copy diagrams and equations during lectures. completely spell out every scientific term.?

Description : When taking science notes, students should write down every word the teacher says. highlight familiar words and concepts. copy diagrams and equations during lectures. completely spell out every scientific term.?

Last Answer : If this is multiple choice I would probably go with #3, copy diagrams and equations during lectures, but you really have to figure out what works for you! Writing down every word the teacher says is probably not productive, though.

Write the recursive and non-recursive difference equations

Description : Write the recursive and non-recursive difference equations

Last Answer : The recursive system is described by the difference equation of the form N M =−� � y n b ( ) a y(n-k) + x(n-k) k k k k = = 1 0 The output at any instant depends upon the present and ... non-recursive system is described by the M =� y n b ( ) x(n-k) difference equation of the form k

Is the solid chemical element mercury useful in outer space?

Description : Is the solid chemical element mercury useful in outer space?

Last Answer : In what capacity? As a survival element? If you're talking about mercury as fuel in space travel, it has been experimented with and has proven to be an effective additive to solid fuel. ... supposed to have run on mercury based fuel .unsubstantiated of course .but it is a fascinating possibility .

Giving an example list two information which make a chemical equation more useful (informative). -Chemistry

Description : Giving an example list two information which make a chemical equation more useful (informative). -Chemistry

Last Answer : (i) Physical state of reactants must be mentioned, e.g. 2H2 (g) + O2 (g)--- > 2H20 (l) (ii) Condition in which reaction takes place are written on the arrow head, e.g. ... BaCl2--> BaSO4 + 2NaCl (White ppt) The reaction is precipitation reaction. It is also called double displacement reaction.

Chemical leaching is useful in the concentration of:

Description : Chemical leaching is useful in the concentration of:

Last Answer : Chemical leaching is useful in the concentration of: A. copper pyrites B. bauxite C. galena D. cassiterite

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal? (a) 1 (b) 2 (c) 30 (d) 57

Description : How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal? (a) 1 (b) 2 (c) 30 (d) 57

Last Answer : d) 57