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denis
Questions and answers by visitors named
denis
Questions (36)
show how CH4 +O2=CO2+H2O obeys the law of conservation of mass
3 answers
2,788 views
please unsumble this (IBTGRGUAIRAMI)
3 answers
307 views
company claims 10% are green. suppose that candies are packaged randomly into samll bags of 50. school children studying percent
1 answer
436 views
How many grams of carbon disulfide,CS2 will form if 0.450 mol of carbon is consumed in a 3C+2SO2=CS2 +2CO2 reaction
2 answers
562 views
How many grams of carbon disulfide,CS2 will form if 0.450 mol of carbon is consumed in a 3C+2SO2=CS2 +2CO2 reaction
3 answers
829 views
write the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrochloric acid.
Formu
2 answers
525 views
calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to
1 answer
866 views
what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of
2 answers
691 views
calculate the molarity of acetic acid in a vinegar sample,knowing that 5.00ml of vinegar requires 43.50ml of 0.105 M NaOH to
4 answers
3,820 views
what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of
3 answers
2,958 views
WHAT PROPERTY OF SOLUTION IS DESCRIBED BY ITS pH?
3 answers
398 views
DOES H3PO4 HAVE A pH greater than 7 or less than 7
1 answer
445 views
DOES Mg(OH)2 HAVE A pH greater than 7 or less than 7
1 answer
321 views
which solution has the lower pH?
a)0.1 M HCL or 0.1 M HC2H3O2? b)0.1 M NaOH or 0.1 M NH3? c)0.1 M Na2CO3 or 0.1 M NaCl?
4 answers
3,873 views
what gas is produced in the reaction between calcium carbide and water?write the balanced equation for the reaction.
3 answers
574 views
write the equations for the addition reaction of ethene with bromine under the following conditions.
a) reaction in the presence
1 answer
1,315 views
write the equations for the substitution reaction of methene with bromine under the following conditions.
a) reaction in the
4 answers
3,484 views
summarize the solubilty behavior of hydrocarbons in water (a polar solvent) and in non polar organic solvents
2 answers
761 views
The [H3O+] in a wine bottle is 3.1 10–2 M. What is the [–OH] in this wine?
2 answers
1,100 views
10). What is the molarity of an HCl solution if 42.5 mL of a 0.110 M KOH solution is needed to titrate a 25.0-mL sample of the
4 answers
3,226 views
9). What is the balanced equation for the acid–base reaction of nitrous acid with lithium hydroxide?
LiOH(aq) + HNO3(aq)
3 answers
2,715 views
8). What is the pH of a fruit with a [–OH] = 3.2 10–9 M –OH?
A) 10.5 B) 8.49 C) 3.51 D) 3.5
1 answer
409 views
7). The pH of a solution is 2.89. What is the [H3O+]?
A) 1.3 X10–3 M H3O+ B) 1.3 X 1012 M H3O+ C) 7.9 X101 M H3O+ D) 7.9 X
2 answers
1,281 views
6). Which solution has the lowest pH?
A) 1.3 X10–8 M –OH B) 1.0 X 10–7 M –OH C) 5.1 X10–5 M –OH D) 3.9 X 10–8 M
2 answers
1,075 views
a disease caused by a bb gene is said to be?
1 answer
295 views
which of the following represents the F1 generation of a monohybrid cross of YY x yy parents?
a)100%Yy b)75%Yy:25%YY
1 answer
448 views
1) What is the complementary strand of the DNA sequence GCAAT?
a) GGCTT b) CGTTA c) CGTAT d) GCUUA
2 answers
794 views
a) What type of bond is involved in complementary base pairing?
-------------------------------------------------------- b) On
2 answers
535 views
The density of ethyl ether is 0.713g/ml would 536.8 g of this anesthetic fit into a 750.0ml flask?explain
1 answer
290 views
examine the latent and manifest functions ( of the US response to 9/11. Consider how the emerging structures of society are
1 answer
497 views
examine the latent and manifest functions ( of the US response to 9/11. Consider how the emerging structures of society are
1 answer
321 views
what is sugar fermentation
1 answer
337 views
how can you recognize carbohydrates from a list of biological molecules
1 answer
350 views
how can a disaccharide be produced from two monosaccharides
1 answer
292 views
how can a disaccharide be produced from two monosaccharides
1 answer
272 views
how can you recognize carbohydrates from a list of biological molecules
1 answer
313 views
Answers (4)
Which is a way show me
10
distance =time×speed (X-20)(3.25)=2x+30 3.25x-2x=30+65 1.25=95 95÷1.25=76
idont know theb answer
