denis

This page lists questions and answers that were posted by visitors named denis.

Questions

The following questions were asked by visitors named denis.

please unsumble this (IBTGRGUAIRAMI)

company claims 10% are green. suppose that candies are packaged randomly into samll bags of 50. school children studying percent open several bags, count colors and find the proportion that are green. a. is the Normal model appropriate here? explain b. wh...

show how CH4 +O2=CO2+H2O obeys the law of conservation of mass

How many grams of carbon disulfide,CS2 will form if 0.450 mol of carbon is consumed in a 3C+2SO2=CS2 +2CO2 reaction

write the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrochloric acid. Formula equation.............. net equation.............

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 just reach the phenolphthalein endpoint in a titration

what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of solution?The molar mass of NaOH is 40.0g

WHAT PROPERTY OF SOLUTION IS DESCRIBED BY ITS pH?

DOES H3PO4 HAVE A pH greater than 7 or less than 7

DOES Mg(OH)2 HAVE A pH greater than 7 or less than 7

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?

what gas is produced in the reaction between calcium carbide and water?write the balanced equation for the reaction.

write the equations for the addition reaction of ethene with bromine under the following conditions. a) reaction in the presence of sunlight H2C=CH2+Br2 sunlight=? b) reaction in the absence of sunlight H2C=CH2+Br2=?

summarize the solubilty behavior of hydrocarbons in water (a polar solvent) and in non polar organic solvents

The [H3O+] in a wine bottle is 3.1  10–2 M. What is the [–OH] in this wine?

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 acid? A) 0.187 M HCl B) 0.587 M HCl C) 0.0647 M HCl D) 5.35 M HCl E) 1.70 M HCl

9). What is the balanced equation for the acid–base reaction of nitrous acid with lithium hydroxide? LiOH(aq) + HNO3(aq)  H2O(l) + LiNO3(aq) Li(OH)2(aq) + 2 HNO3(aq)  2 H2O(l) + Li(NO3)2(aq) LiOH(aq) + HNO2(aq)  H2O(l) + LiNO2(aq) 2 LiOH(aq) + H2NO2(aq...

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

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 10–13 M H3O+ E) 1.9 M H3O+

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 –OH E) 2.3 X 10–3 M –OH

a disease caused by a bb gene is said to be?

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 c)25%Yy:75%yy d)100%yy

1) What is the complementary strand of the DNA sequence GCAAT? a) GGCTT b) CGTTA c) CGTAT d) GCUUA

a) What type of bond is involved in complementary base pairing? -------------------------------------------------------- b) On what site of the large ribosomal subunit does the second tRNA attach during translation? ---------------------------------------...

The density of ethyl ether is 0.713g/ml would 536.8 g of this anesthetic fit into a 750.0ml flask?explain

examine the latent and manifest functions ( of the US response to 9/11. Consider how the emerging structures of society are functional and/or dysfunctional for the nation.

what is sugar fermentation

how can you recognize carbohydrates from a list of biological molecules

how can a disaccharide be produced from two monosaccharides

Answers

The following answers were posted by visitors named denis.

idont know theb answer

distance =timeÃ—speed (X-20)(3.25)=2x+30 3.25x-2x=30+65 1.25=95 95Ã·1.25=76

Which is a way show me