Chemistry- acids and bases

58,716 results

Chemistry

A concept map was to be created on acids and bases. The concept terms that were given to use were: aqueous solution,bases,acids,ions,weak bases, strong bases, strong acids, weak acids,dissociation, weak electrolyte, strong electrolyte,reaction,salt, neutralization, hydronium ...

Chemistry - Acids and Bases

What's a good example of a balanced neutralization reactions involving strong acids and bases?

Chemistry - Acid and Bases

In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases, or other. HNO3 HBr HF CH3COOH H3PO4 NaOH Ba(OH)2 (CH3)3N NH3 NaCl

Chemistry

Determine the direction of the following reaction from the relative strengths of acids and bases: H2S(aq) + C2H3O2-(aq) yields Hc2H3O2(aq) + HS-(aq) The book says this will favor the reactants. I'm confused...shouldn't this be neutral because both reactants and products have ...

Chemistry

Your laboratory supervisor directs you to prepare 500.0 mL of a buffer with a pH of 9.40. You have available all the weak acids and bases and the salts of those weak acids and bases. Describe how you could make this buffer.

Chemistry - Acids/Bases

What kinds of compounds are typically strong bases? (More than one may apply.) *hydroxides of group IIIA (13) metals *conjugate bases of strong acids *hydroxides of group IA (1) metals *hydroxides of transition metals *hydroxides of group IIA (2) metals All I know about strong...

ChEmIsTrY--THANK YOU!

Is these true or false: -Every Bronsted-Lowry acid is also a Lewis acid. -Conjugate acids of weak bases produce more acidic solutions than conjugate acids of strong bases. Thank you very much!

Chemistry

Your laboratory supervisor directs you to prepare 500.0 mL of a buffer with a pH of 9.40. You have available all the weak acids and bases listed in your textbook's appendix and the salts of those weak acids and bases. Describe how you could make this buffer.

chemistry

in our notes for strengths of acids and bases it says that you could add a strong/weak acid with a strong/weak base and it will give you a low, medium or high delta h. so wouldn't acids and bases be related to thermochemistry?

chemistry

An oxalic acid solution contains the following species in varying concentrations: H2C2O4, HC2O4-, C2O4^2-, and H+. Which of the above four species can act only as acids, which can act only as bases, and which can act as both acids and bases?

science

what happens to your internal organs if you swallow acids or bases? what happens to your skin if it comes in contact with bases and acids?

chemistry

Because solution pH is a measurement of either [H3O+] or [-OH] concentration, the acidic or basic nature of the acids and bases used in this experiment can be ascertained by inspecting just the density (electrostatic) potentials from the products (which contain either H3O+ or...

naming acids and bases

how do you name acids and bases?

Chemistry

How do you know that a given reaction is not an acid base reaction? (apart from the fact that it should have an acid and a base and it should be a double displacement reaction)? I mean I know acids have protons (H+) and bases have hydroxides (OH-) but there are so many other ...

General Chemistry-Acids/Bases

I'm stuck on a couple of similar problems involving pH and acids/bases 1) What is the final pH of a 1L solution that is initially .15 M HF and .2 M NaF after 10 mL of .02 M HCl has been added? Ka=7.2x10^-4 Do i just calculate the total mols of H and divide by the volume, then ...

College Chemistry

How do acids and bases react?

chemistry

Can I get a poem on acids,bases and salts?

chemistry

Why do acids and bases conduct electricity?

chemistry

what are the acids, bases, conjugated nacids and conjugated bases of the equation H2O+H2O->OH-+H3O?

Chemistry

what pH values can be assigned to acids and bases respectively?

Chemistry

Are acids or bases suppose to react with carbonates?

chem

what are the strong acids and what is a good way to remember them what are the strong bases and what is a good way to remember them I think but am not sure: are the weak acids and bases everything else?

Chemistry

What is the weakness of the Bronsted-Lowry acids and bases theory?

Chemistry

Why do acids and bases form ions when they dissociate in water

Chemistry

Compare the physical and chemical properties of acids and bases.

Chemistry

Compare the physical and chemical properties of acids and bases.

chemistry

What are the acids and bases of the following salts? Na3PO4 PbS KIO3

Chemistry

Compounds can be classified as acids or bases according to _____ different theories.

chemistry

What chemical substance is in red cabbage which serves as an indicator for acids and bases?

Chemistry

How is strength different from concentration for acids and bases? please give an example.

acids and bases

Give the formula of the conjugate base of each of the following acids: a.) citric acid b.)oxalic acid c.)dihydrogen phosphate ion d.)phenol

Chemistry (acids and bases)

Calculate pH, pOH, [H+], [OH-], and Ka for a 0.026 M solution of HI (a strong acid). Please help me :(

chemistry

State three examples each of acids, bases, and salts commonly used in therapeutic processes.

chemistry

State three examples each of acids, bases, and salts commonly used in therapeutic processes.

chemistry

State three examples each of acids, bases, and salts commonly used in therapeutic processes

Chemistry

Which intermolecular forces between the war and protein are affected by the addtion of strong acids and bases?

chemistry

Acids and Bases: What would be the pH of a solution made by adding 16.9 grams of hydrochloric acid to 2.50 L of water?

chemistry-acids and bases

determine how many mL's of a monohydroxic base with a pH of 9 is needed to neutralize 50 mL of a monoprotic acid with a pH of 2. I do not understand what to do. can someone please help?

Chemistry

Name one difference between acids and bases in terms of: -Their chemical formula -A property Any help would be awesome.

Chemistry

According to the Bronsted-Lowry definition of acids and bases, is water an acid or base? Provide examples to support.

chemistry

how do you do acids/bases, oxidation, buffers, and Boyle's Law. what are the rules for each, can u give me an example for each and explaining how you get the answers, because i'm confused on how you do these.

Chemistry: Salt of weak acids and bases

If 25 mL of 0.20M NaOH is added to 20 mL of 0.25M boric acid, what is the pH of the resultant solution?

Science

1) How does the pH of a solution affect its solubility and structure of weak organic acids and bases, such as proteins and nucleic acids? 2) Why would a zipper or a Velcro strip be a good analogy to weak interactions between biological molecules? Thank you!

chemistry

write the formula for potassium chloride. KCl thanx, but i gave you the wrong one. we're studying acids and bases, and so it's actually hypobromous acid. HBrO

Chemistry

Based on the steps occurring in an acid-base reaction, which definition of acids and bases is most practical? Give three reasons for your choice.

chemistry

1) According to Bronsted-Lowry theory acids are _________ bases are _________

Chemistry

What chemical occurs to the red cabbage red for acids and blue for bases.

Chemistry

The [H3O+] of a solution with pH = 3 is -10 M. 10 M. 1 x 10-3 M. 1 x 103 M. 1 x 10-11 M. Identify the acid(s) and base(s) in the following reaction: CH3COOH(aq) + NH3(aq) CH 3COO-(aq) + NH4+(aq) CH3COOH is the only acid, and NH3 is the only base. CH3COOH is the only base, and ...

ap chemistry

Which of I) HCl II) HF III) LiOH IV) HClO2 V) HNO3 are strong acids or strong bases in water?

Chemistry

1. The atmosphere of earth is an example of what kind of solution? A. liquid-liquid B. gas-liquid C. gas-gas*** D. solid liquid 2. Which of the following will result in a greater amount of oxygen dissolving in water? A. Heat the water*** B. Decrease the oxygen gas pressure C. ...

Chemistry

How do the qualities of acids and bases shape the natural world we live in? I really apppreciate, in advance, any help you can give me-I'm homeschooled and just trying to understand this better. Thank you-

Chemistry

These blanks I REALLLY need your help. Our teacher gave the teaching job to this other I think coop student who wants to be a teacher to teach for a day but I| seriously don't understand anything she said..in short I don't have anyyy clue about this. So please help me:( 1) ...

chemistry

Give the names of these acids. A. HNO(subscript 2) B. HMnO(s.s. 4) C. HCN D. H(s.s. 2)S Write the names of these bases. A. LiOH B. Pb (OH) s.s. 2 C. Mg(OH)s.s. 2 D. Al(OH)s.s. 3

acids and alkalis

can you tell me me some acids and alkalis that are used in the house acids. vinegar(acetic acid), lemon juice (citric acid), cream of tartar (potassium hydrogen tartrate), vanish (sodium hydrogen sulfate--but I think the newer product has changed the active ingredient). bases...

Chemistry

Are Lewis acids and bases defined using dissociation, electron pairs, hydrogen ions, or hydroxide ions?

Chemistry

How do the qualities of acids and bases help us in the natural world? Please help-I posted this yesterday and I really don't get it-can someone direct me,please? Thank you

Chemistry

Which of the following is true about indicators? A. They are weak acids or bases. B. They are as accurate as a pH meter. C. They maintain their colors across the range of pH values for which they are used. D. all of the above is it A???

Chemisty

In titrations of acids and bases, what is the difference between the end point of the titration, and the equivalance point? Also, what is chemically occuring during the buffer zone? Thanks! Good question and one that students sometimes have trouble with. The equivalence point ...

Chemistry

If you have a list of acids or bases and their conjugate salts, and are asked which pairs create the best buffer, how would you know which are best?

Chemistry- acids/bases

Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of solution.

Chemistry- acids/bases

Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of solution.

chemistry

How many milliliters of a 15.0%, by mass solution of KOH(aq) ( d= 1.14g/mL ) are required to produce 27.0 L of a solution with pH = 11.70? I'm really not sure how to do this, it's from Acids & Bases chapter. Any help is appreciated, thanks. (:

Chemistry

What are three common types of products produced by reactions that occur in aqueous solutions? (out of the following) -gases -water -electrons -precipitates -acids -ions -bases

chem- acids and bases

sorry to take up your time again, acids and bases just really confuse me, i'd really appreciate your help again. "What is the pH at the end point for the titration of 0.20M HNO2 by 0.20M NaOH? Ka nitrous acid= 4.5 x 10^-4." this is what i do know: - end point, so it's the salt...

chemistry

what volume of a 0.247 M perchloric acid solution is required to neutralize 23.8 mL of a 0.156 M calcium hydroxide solution? _titration problem of acids/bases

chemistry

A quick chem question reguarding acids and bases: The questions says: "a very strong acid has a very weak base. Critique this statement."

science

what is used for storing acids and bases?

Chemistry

How do can you find the difference between these acids/bases with only one indicator? We have 0.1M NaOH, H2SO4, HCl, AlCl3, and Na2CO3. We know the pH of all the solutions (AlCl3 = 2.9, H2SO4 = 0.7, HCl = 1, Na2CO3 = 11.8, NaOH = 13). We only can use 1 indicator to determine ...

chem, acids

possible products of acetylsalicylic acid when it hydrolyzes are salicylic acids and acetic acids or is it carboxylic acids and alcohol?

Chemistry

Like water, liquid ammonia undergoes autoionization: (a) Identify the Brønsted acids and Brønsted bases in this reaction. (b) What species correspond to H and OH and what is the condition for a neutral solution?

Science, Chemistry

Write neutralization reactions for each of the following acids and bases. HNO3(aq) and Ba(OH)2(aq) Express your answer as a balanced chemical equation. Identify all of the phases in your answer.

Chemistry

Write the equations for the reactions in which acids and bases are neutralized by the buffer consisting of HCOOH and HCOONa is a water solution in order to maintain a relatively constant pH of the solution?

Chemistry

What is a proton donor? Acids are proton donors, BAses are proton receivers

science help

why are acids and bases good conductors of electricity?

chemistry

i need help on this i don't get it MDJ OB 018: Alice looked in the looking glass and saw her image there. She invited her image to some out but the visit was short since her image found that she was starving to death and that all the food tasted bad. Why was this? Victorian ...

Science

What is the genetic code? A. The order of amino acids in proteins makes up the genetic code. B. The order of amino acids in mRNA makes up the genetic code. C. The order of nitrogen bases in tRNA make up the genetic code. D. The order of nitrogen bases in DNA makes up the ...

Science

What is the genetic code? A. The order of amino acids in proteins makes up the genetic code. B. The order of amino acids in mRNA makes up the genetic code. C. The order of nitrogen bases in tRNA make up the genetic code. D. The order of nitrogen bases in DNA makes up the ...

Chemistry

Classify the following as: Weak or strong acid, weak or strong base, salt (from weak/strong acid and base). If appropriate, split the formula into its component ions. HNO3 So far, all I have is: HNO3 + H2O -> NO3^- + H3O^+ And I know HNO3 is a strong acid. What would I do ...

acids and bases

Is everything an acid or a base? it totally depends. It depends on how you define an acid and base. In water systems, yes. But in non water solutions...say oil mixed in gasoline....pH has no meaning. Why acids act in similar ways?

Chemistry

Experimental results for hydrochloric acid (neutralization) are always a little less negative than the usual constant of heat of neutralization for strong acids and bases (-57.35kJ). Suggest reasons for this.

science

what are acids and bases? neutralizing an acid with a base produces what?

science acids and bases

what can you tell about the equations 2 P2O5?

science

Create a diamante poem about acids and bases.

Science HELP!

2:What is the genetic code? A:The order of amino acids in proteins makes up the genetic code. B:The order of amino acids in mRNA makes up the genetic code. C:The order of nitrogen bases in tRNA makes up the genetic code. D:The order of nitrogen bases in DNA makes up the ...

Chemistry

Identify the Lewis acids and bases in the following reactions and write the products. a) O || C + AlCl3 --> / \ H3C CH3 b) H N + BF3 --> / \ H3C CH3

Organic Chemistry

Please help! Thank you! Alcohols can act either as weak acids or as weak bases, just as water can. Show the reaction of methyl alcohol, CH3OH, with a strong base such as Na+ -NH2

Chemistry

Al3+ and Pb2+ act as acids or bases in acidic or alkaline environment. True or False? I think this is true because they are amphoteric, but I am not sure. yes. They are amphoteric.

acids

Which of the following bases is the weakest? (CH3)2NH , Kb = 5.1 x 10–4 ClO–, Kb = 2.9 x 10–7 SO42–, Kb = 8.3 x 10–13

Chemistry

The reaction: H2PO4- + HAsO42 ---> HPO4- + H2AsO4- Which one of the sets above lists both of the base species involved in the equilibrium? I'm confused and couldn't identify the conjugate acids and bases properly. Could Dr.Bob explain abt this problem ? Thank you

organic

which is false about naturally occurring a-amino acids? they belong to the D family of chiral compounds related to D-glyceraldehyde all are chiral except for glycine each has a characteristic isoelectric point the ph at which there is no net migration of the amino acid toward ...

chemistry

We're studying acids and bases; the question states that 50mL of 0.1M HNO3 solution is mixed with 25mL of 0.1M NaOH. What is the pH? I thought that I would use the Henderson-Hasselbach equation; but my answer does not match the one give in the solution. Any help?

Chemistry (Acids and Bases)

What is the pH of a 0.400 molar HCl solution? I did -log(.4)=.398. That seems too low. I think I need to find the molarity (M) of the solution, but I can't find it with the given information.

Chemistry

I am stumped on this one...Please help!!! Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify all species as acids and bases and identify the conjuate acid-base pairs.

chemistry

Are amino acids other than the usual 20 amino acids found in proteins? If so, how are such amino acids produced?

anatomy and physiology

what is the minimum number of dna bases for a gene that begins as a polypeptide of 86 amino acids?

chemistry; acids and bases

Since Ka x Kb = Kw, is the conjugate base of a weak acid a weak base or a strong base?

biology

What is the genetic code? a) the order of amino acids in proteins makes up the genetic code b) the order of amino acids in mRNA makes up the genetic code c) the order of nitrogen bases in tRNA makes up the genetic code d) the order of nitrogen bases in DNA makes up the genetic...

Science

What is the genetic code? A. The order of amino acids in proteins makes up the genetic code. B. The order of amino acids in mRNA makes up the genetic code. C. The order of nitrogen bases in tRNA makes up the genetic code. D. The order of nitrogen bases in DNA makes up the ...

Chemistry

Please Help! Describe how water could be classified as either an acid or a base. Give an example of each (acid and base). What word describes substances that can be classified as acids or bases?

chemistry

Acids and bases react with one another to form compounds called ______? A. salts B. ions C. mixtures D. salts, ions, and mixtures

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