Friday

April 18, 2014

April 18, 2014

Total # Posts: 1,513

**english**

mrs sue is this right

**english**

is it astronauts supposed to rest for eight hours but to excited to rest before leaving spaceship, astronauts took three hours to put on space equipment tv camera turned on so world could watch opened spaeship door 61/2 hours after landing armstrong got out first astrounauts e...

**english**

please organize these into a paragraph ;astronaauts supposed to rest for eight hours, but too excited to rest ;astronauts easily hopped high because moon has less gravity than earth ;opened spaceship door 61/2 hours after landing ;brought back to earth some moon rocks and soil...

**english**

hello mrs sue

**english**

mrs. sue or anybody

**english**

um is it appolo11 took off 9:32 a.m on July 16,1969 three astronauts: michael collins,neil armstrong, edwin aldrin traveled 244,930 and traveled 24,300mph lunar module Eagle carried armstrong and aldrin to moon's surface collins stayed in command module and orbited moonuch...

**english**

can you please help me with the hold thing i got the first part

**english**

please organize these notes into a paragraph ;traveled 24,300 mph ;on landing, armstrong's heart rate 156 beats per minute ;lunar module eagle carried armstrong and aldrin to moon's surface ;three astronauts michael collins,neil armstrong, edwin aldrin ;traveled 244,93...

**Chemistry**

Thank you very much! That's what I got. I appreciate it.

**Chemistry**

The only difference is the + and - for the dGrxn

**Chemistry**

. In a biochemical reaction, A + B-->C with äG = 30 kJ/mol. Which of the following reactions might be effectively coupled to this reaction so that it becomes more spontaneous? I. C + D are the reactants, and B + E are the products äG = -40 kJ/mol II. C + D are the...

**Chemistry**

What is the overall standard free-energy change for the following two reactions? A + B-->2C äG = äG1 C + D-->E äG = äG2 a)äG1 + äG2 b)äG1 + 2äG2 c)äG2 – äG1 d)2äG2 – äG1 e)äG1äG22

**Chemistry**

Yes, I got this one :)

**Chemistry**

If at a certain instant during the course of the reaction 2 NO2(g) + F2(g) ¨ 2 NO2F(g), the rate of formation of the product were 0.16 mol/L∙s, how fast would the F2 be disappearing (also in mol/L∙s) at that same instant in time? A) 0.16 mol/L∙s B) ...

**Chemistry**

A?

**Chemistry**

If the rate of formation of ammonia is 0.345 M/s, what is the rate of disappearance of N2? 1/2N2(g)+3/2H2(g)-->NH3(g) a. 0.173 M/s b. 0.345 M/s c. 0.690 M/s d. 245 M/s e. 0.518 M/s

**Chemistry**

Given the following data, determine the rate constant of the reaction 2NO(g) + Cl2(g) 2NOCl(g) Experiment [NO] (M) [Cl2] (M) Rate (M/s) 1 0.0300 0.0100 3.4 x 10–4 2 0.0150 0.0100 8.5 x 10–5 3 0.0150 0.0400 3.4 x 10–4 a. 1.13 M –2s–1 b. 9.44 M –2s&...

**Chemistry**

Heat transfer from the system to the surroundings has a large effect on äSsurr ___________. a. when the temperature of the surroundings is low. b. when the temperature of the surroundings is high. c. when the temperature of the system is low. d. when the temperature of th...

**Chemistry**

What is the entropy change to the surroundings when 1 mol of ice melts in someone’s hand if the hand temperature is 32°C? Assume a final temperature for the water of 0°C. The heat of fusion of ice is 6.01 kJ/mol. a. –188 J/K d. b. –22.0 J/K c. –19.7...

**Chemistry**

If 1 mol of ice melts at its melting point of 273 K, the entropy change for the ice is 22.0 J/K. If the ice melts in someone’s hand at 34°C, what is the change in the entropy of the universe? Assume a final temperature for the water of 0°C. The enthalpy of fusion ...

**Chemistry**

Indicate which of the following has the highest entropy at 298 K. 0.5 g of HCN 1 mol of HCN 2 kg of HCN 2 mol of HCN All of the above have the same entropy at 298 K.

**Chemistry**

The standard molar entropy of lead(II) bromide (PbBr2) is 161 J/mol • K. What is the entropy of 2.45 g of PbBr2? a. +1.07 J/K b. –1.07 J/K c. +161 J/K d. –161 J/K e. 0 J/K

**Chemistry**

Calculate DeltaS0 for the formation of 1 mol of HI(g) from its elements given the following information: S0[H2(g)] = 131 J/mol∙K S0[I2(s)] = 116 J/mol∙K S0[HI(g)] = 206 J/mol∙K. A) 82 J/K B) 165 J/K C) 247 J/K D) 329 J/K

**Chemistry**

For which reaction is delta Ssys > 0? A) CH4(g) + 2 O2(g) ¨ CO2(g) + 2 H2O(l) B) NH3(g) + HCl(g) ¨ NH4Cl(s) C) 2 NH4NO3(s) ¨ 2 N2(g) + O2(g) + 4 H2O(g) D) HCl(aq) + NaOH(aq) ¨ NaCl(aq) + H2O(l)

**math**

Use a table of trigonometric values to find the angle è in the right triangle in the following problem. Round to the nearest degree, if necessary. cos è = 0.8192 A = 45 H =?

**math**

jai can you help me with my one right below taylor i think i got the answer

**math**

-8 1/8=6 1/2p is the answer 52.8 does p =52.8

**math**

is k 1971.9 if not can you please help me

**math**

6 9/16k=31 13/32 i dont know the answer to this one really its hard

**math**

and can you check my bottom question i answered

**math**

i got -9.31

**math**

arjun whnts to buy a telescope that costs 330.69 how much change does he receive if he gives the cashier 340

**math**

i got -2.73

**math**

nicole wants to buy a sled for 37.27 she gives the cashier $40 how much cahnge does she recieve

**math**

what is 270% of 2 inches

**math**

-3 1/2=7/4a

**math**

-9 1/4=-2x with steps please

**math**

ok thanks

**math**

i got $-4

**math**

heather had $23 to spend on three raffle tickets. after buying them she had 11. how much did each raffle ticket cost

**math**

thats what i had

**math**

a recipe for bread call for 5 1/6 cups of flour. matt accidentally put in 5 5/6 cups. how many extra cups did he put in?

**math**

how old am i if 400 reduced by 2 times my age is 236

**math**

7-2n+4n=n+3 an can you please provide steps

**math**

Please show the ratio answer as #:#. The length of a pool is twice its width. What is the ratio of the length to the width of the pool?

**english**

we need two helping verbs Ms. Sue

**english **

we ________ _____________ started our trip earlier in the morning. fill it in with a helping verb

**Physics :)**

A block of iron at 39.0°C has mass 2.30 kg. If 3.50×104 J of heat are transferred to the block, what is its resulting temperature? The specific heat of iron is 449 (J/kg*K) Someone else had this question on here but I cannot get the right answer from the explanation ...

**reading**

in"Stolen Days" what does this story say about the motivations for people's behavior?

**reading**

in "after twenty years" how much has jimmy changed over the years

**reading**

in "After Twenty Years" how are jimmy and bob similar and different

**math**

oh wait is it 588.23

**math**

is it 83

**math**

i have one last question hannah sold some girl scout chips and recieved a 17% commission. if she makes about $100 about how much did she have in sales? is it $83.00

**math**

thanks

**math**

john bought a new mac laptop for 520.99 with 15% sales tax. what was the original price and tax?

**math**

so when you do 6 of 20 would it be 333.3% or 30.0%

**math**

what percent of 67 is 33? round to the nearest tenth of a percent. the answer is 49.3% but i dont know how he got that can you explain

**math**

kk thanks

**math**

at the school store 6 pencils sell for $.99. at this rate what is the cost of 16 pencils?

**Geometry**

In a right triangle, sin θ = 9/15. Find the value of tan θ

**English 2**

thanks

**English 2**

Give two possible expository writing purposes. TOPIC: An historical figure Purpose #1 Purpose #2

**math**

-4 to the 6 power divided by -4 to the 3power

**probablitiy**

i did i responded

**probablitiy**

to th nearest tenth of a percent of 11/68 may i have a fraction,decimal, and percent

**math**

but my calulator is messed up may you please help me

**math**

probablity to the nearest tenth of a percent 11/68 to a decimal and percent

**math**

a drawer contains 2 red socks, 5 white socks, and 6 blue socks. without looking, you select a sock at random, replace it, and selecct a second sock at random. what is the probability that hte first sock is blue and the second sock is red?

**math**

The ratio of dogs to cats in a park is 4 to 5. If there are 63 dogs and cats in the park altogether then how many dogs are there?

**pre-algebra**

a tree is 5 ft. tall and has a shadow of 12 ft. if you are 5 ft. tall, what is the length of your shadow

**pre-algebra**

a tree is 5 ft. tall and has a shadow of 12 ft. if you are 5 ft. tall, what is the length of your shadow

**Math**

the area of the shaded part. 4cm is the height 8cm is the base and 6cm is the top of the square. then 6cm is the base of the second figure a trapezoid

**math**

Which describes independent events? a. you grab two jelly beans from a jar at the same time b. you draw a card from a deck, replace it, and draw a second c. you draw a card and do not replace it. Then yo draw another d. you study english every night and then you get an A on th...

**Honors Chemistry**

How many moles are in 4.36 L of oxygen gas at STP?

**math**

A pastry chef has 13 pounds of apple slices to make 8 apple pies. if the chef distributes the slices equally, what will be the weight of the apple slices used to make each pie?

**trig**

would that be 88 degrees, 45 degrees, 135 degrees, or 92 degrees?

**trig**

find the angle between vectors U= <2,3> and V= <1, -5>

**trig**

a vector has a magnitude of 16 and direction of 120 degrees. write the vector in terms of unit vecotrs i and j.

**trig**

what is the magnitude and direction of the vector U= -2i - 3j

**trig**

what is the single term of csc^2 theta-1 over csc^2 theta

**trig**

what is the angle of A? C = 125 degrees, a = 18, and c = 42

**trig**

find the supplimentary angle of pie over 8

**trig**

find the exact radian of 84 degrees

**trig**

Find the amplitude of f(t)=1/3sin8t

**irregular figures**

it is an irregular figures like a trapezpoid and triangles

**irregular figures**

if the base is 9 1/2in and the line in the middle is 3 1/2in. what is the area follow formula

**math irregular figures**

if the base is 46km and the other base is 26km and the height is 17km and the the little line in the middle say 11m wha tis the area

**reading**

in the story The Dying Decetive " how do watson's feeling about Holmes cahng during the play?

**math**

hello

**math**

is it 31777777 repeatimg i dont know

**math**

two cities are 1,900miles apart. a map uses a scale of 3cm=500 miles. how many centimeters apart are the two cities on the map?

**math**

so is it x=225in

**math**

a model of a house is drawn using a scale of 3in=15ft. what is the length of the actual house if the model has a length of 15in

**math**

um well 9% of 24 and 80% i think i dont know

**math**

do a% of b and b% fo a represent the same amount? Justify your answer

**math**

250% of t is 50. What is t?

**math**

thanks

**math**

18% of ________ is 14.4?

**math**

what is 4/21=x/168

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