Dexter

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

Questions

The following questions were asked by visitors named Dexter.

I need to know 3 reasons why my Ecological Footprint is smaller than the world average Footprint (3.4 vs. 2.2) I am unsure as to how mine alone is larger than the whole world's. THANKS -Dex

How many molecules of carbon dioxide (CO2) are there in 88g of carbon dioxide? a. 1 b. 2 c. 88 d. 1.2 x 10 24 e. not enough info

Dimethylsulfoxide (C2H6SO), also known as DMSO. How many moles of carbon are in 4 moles of DMSO? a 1 b 2 c 4 d 8 e not enough info

1) Why is it appropriate to call the endomembrane system a "system?" 2) The selective permeability of biological membranes is dependent on _______________. 3) Why is it unusual for a phosphlipid molecule to flip from one face of the membrane to the other?...

Imagine that you have been asked to prepare 500ml of a 0.25 mol L solution of Sodium Hydroxide, NaOH. Describe how you would prepare this solution. Include any calculations that you would perform.

Please read to the bottom - This help was wonderful and absolutely correct, I'm asking a bit more regarding the same question, please read below. Imagine that you have been asked to prepare 500ml of a 0.25 mol L solution of Sodium Hydroxide, NaOH. Describ...

Not clear about this, please help me understand the steps: (5b^2c^1/4)^3

Hi - please help me with this one: (5b^2c^1/4)^3 is the answer: 125b^6 3c ^ 3/4

pls. verify: 4x^3y^-2 / 2x^-1y^4 = 2x^4y^-6 [w^1 / w^-3]^-4 = 1/w^16

Hi there - I'm going to post the question as written in my book. Three 20.0 mL samples of nitric acid are titrated with a 0.200 mol/L solution of sodium hydroxide. The results for the three trials are shown in the table below. What is the concentration of...

Please help me verify the following question: Consider the following ion; XF2-2 What is the oxidation number assigned to element “X”? Show your work My answer: X F2-2 X -1(-1) X -3=0 X = +3 Please let me know if right. Many thanks!

Following question I need help with part b) Please verify my answer for part a) too if possible. Consider the following reaction for silver tarnishing: 3Ag2S(s) + 2Al(s) -> 6Ag(s) + Al2S3(s) a. State the oxidation number for each element in the reaction....

Hi I have a sample question for a math assessment that I wanted to ask about: What number is expressed by (9 x 6) -s- 3? a 18 b 27 c 6 d 21 Which of these answers is right and what is "s" suppose to mean? Is S like some sort of fixed value?

please verify my answer: Consider the following REDOX reaction: Zn(s) + Pb+2(aq) &#56256;&#56518; Zn+2(aq) + Pb(s) a. Write the oxidation and reduction half-cell reactions. Zn(s) + Pb+2(aq) &#56256;&#56518; Zn+2(aq) + Pb(s) +2 +4 +2 +4 Zn(s)->Zn2+(aq)+2e-...

Please help me verify: The following reactions are involved in the formation of acid rain. Use oxidation numbers to identify which of these reactions are REDOX reactions. a. 2SO2(g) + O2(g) &#56256;&#56518; 2SO2(g) -2 -2 0 -2 -2 No change - not REDOX reac...

Please help verify my answer. Not confident it is right: please verify my answer: Consider the following REDOX reaction: Zn(s) + Pb+2(aq) &#56256;&#56518; Zn+2(aq) + Pb(s) a. Write the oxidation and reduction half-cell reactions. Zn(s) + Pb+2(aq) &#56256;...

What is the gram formula mass of NaC2H3O2 multiplied by 10H2O

The length of the flag needs to be 1.9 times the height. If the flags height is 3 feet, then what is the area of the flag?

when 2g of NaOH were dissolved in 149 g of H2o in a calorimeter at 24 degrees C the temperature of the solution went up to 29 degrees C. If the calorimeter constant was 11 cal/C find delta H for the solution of one mole of NaOH in H2O

I've been working at this for some time and have been unsuccessful. I know i'm supposed to use the principle interest formula but that's all. I think i'm missing something Rebecca put $24,000 in an education account on the day her daughter was born. If th...

If a farmer divides his land into square fields that are 1/2 mile long and 1/2 Mike wide how many fields will he have

If a farmer has one square mile of land and he divides his land into square fields that are 1/3 mile long and 1/3 mile wide,how many fields will he have?

does eastern canada primarily speak french

The sum of the digits of a three-digit number is 11. If the order of the digits is reversed, the number is decreased by 396. The tens digit is one half of the hundreds digit. Find the number.

What is number 9 to the week 11 crossword puzzle Tennessee

What determines an object's kinetic energy?ResponsesMass and positionMass and positionMass and speedMass and speedWeight and positionWeight and positionWeight and speed

What is the main type of energy conversion taking place? Captionless ImageResponsesMechanical energy is converted to thermal energy as the energy from movement creates heat in the surrounding air.Mechanical energy is converted to thermal energy as the ene...

The diagram shows a simple pendulum. Neglecting friction, what happens to the total mechanical energy as the pendulum swings from position A to position B?Captionless ImageResponsesIt decreases.It decreases.It increases.It increases.It remains the same.It...

Which of the following is true as the cars of a rollercoaster race down a hill?ResponsesKinetic energy is stored in the cars as they move downhill.Kinetic energy is stored in the cars as they move downhill.The kinetic energy of the cars is equal to the po...

The picture below shows a cart as it rolls down a hill. This picture is an example of which scientific law?Captionless ImageResponsesthe law of conservation of energythe law of conservation of energythe law of air resistancethe law of air resistancethe la...

Kyra and Violet are camping with their family. They are roasting marshmallows over a campfire. What types of energy are released by the camp fire?Responsesnuclear energy and electrical energynuclear energy and electrical energyheat energy and light energy...

When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable energy?ResponsesIt is conducted.It is conducted.It is given off as microwaves.It is given off as microwaves.It is given off as hea...

The picture below shows a model of a water geyser like those in Yellowstone National Park, which erupt with giant plumes of hot water. Which process drives geyser eruption?Captionless ImageResponsesthe condensation of water that collects undergroundthe co...

Write a paragraph in which you explain how including a conflicting point of view and evidence in an argument can make it more persuasive. Describe the effect that including point of view and evidence can have on readers. Give specific examples.

Which statement describes a sound reason used to support a claim?(1 point)ResponsesSound reasons are full of emotion.Sound reasons are full of emotion.Sound reasons use fancy language.Sound reasons use fancy language.Sound reasons represent one person's o...

Which step should people take first after viewing a commercial for a product?(1 point)Responsesmake a decision based on whether they liked the background musicmake a decision based on whether they liked the background musicbuy the product if the commercia...

Besides a speaker's reasoning, which factor might affect a person's impression of the arguments in a radio speech?(1 point)Responsesthe speaker's visual aidsthe speaker's visual aidsthe speaker's heightthe speaker's heightthe speaker's appearance the spea...

Answers

The following answers were posted by visitors named Dexter.

I did calculate my footprint. It is larger than the world (mine is 3.4 vs. 2.2) I am wondering why this is. -Dex

im not sure how to complete the problem becuase my answer was 9312.82, not sure if this is correct

ok i get it , thanks

amazing help - this is what I got too however they also want me to explain the steps I would take to prepare this solution. I'm using a graduated cylinder to measure the sodium hydroxide and need to convert the 5 grams to ml. I'm not sure the steps to tak...

I got lost in all the material I'm learning which is why I posted here. Thank you for helping me sort all this out. I was looking at the problem all wrong thinking that the NaOH was a liquid. Very new to chemistry...slowly but surely getting it, thanks fo...

Omelette du fromage!

Thank you! Is that 9 cm or just 9 ?

That's what I thought....Thank you !!!

Yes that's right, free states have oxidation number of zero. Ok will work out reduction and oxidation, made it a bit clearer. Thanks for your help, very valuable :)

Having it explained that way makes it easier to understand and helps to verify answer in the end which my course didn't explain. Thank you.

Hi yes sorry the arrows didn't work out when I copied the question. For the following in your answer 2SO2 + O2 ==> 2SO3 And that is a REDOX equation. S changes from +4 to +6; oxygen changes from zero (the O2 is zero while the O in SO2 is unchanged) to -2...

Hi again - was just comparing part c with your notes and I have an extra Oxygen on left side that right side doesn't have?? Perhaps your mistaken and oxygen is reduced?

Hi, no it wasn't. I think the assessment website is buggy because it didn't feel right. I have to contact the college and inquire. Thanks anyways as your answer made me see that there is a problem with site.

Sorry didn't see...thank you!

Please disregard my 2 comments after. I finally had my Eureka moment and figured this all out. Thanks to your help and researching a bit more I feel I understand this now. Your efforts in helping me were not wasted lol. Thanks again!

Omelette du Fromage?

These are all right i got 20/20

this does not help . . . . can any one else help me please

I laughed so hard at @nuh uh! I don't know why.

The Helper is correct.

Thank you so much Hallee! Those answers are 100% right!

The answers are 100% correct, it is D, D, C, D.

Eric Mashak is 100% correct, believe them.

Cutie is 100% correct, believe them!

1. B 2. C 3. C 4. C Believe me, I just took the test. Hope this helps!

For Connexus, the answers are A B A D

yall lame im right

@Ray1012 was right! 100%!

Thank you so much @PsyDAG

Can i see the graph of this

Hey you wazzup yow i need the answer yow yow

whats the answer?