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Desmond
Questions and answers by visitors named
Desmond
Questions (35)
NaCN - DEDUCE TYPE OF BONDING THAT HOLDS THIS COMPOUND TOGETHER, EXPLAIN IN 1 OR 2 SENTENCES.
There is a covalent bond between
1 answer
575 views
A 21g SAMPLE OF SULFURIC ACID IS DISSOLVED COMPLETELY IN SUFFICIENT WATER TO MAKE A .025 LITRE OF FINAL SOLUTION. CALCULATE THE
1 answer
475 views
SORRY ADD ON TO MY PREVIOUS QUESTION. I ALSO NEED TO WORK OUT THE PH OF THE SULFURIC ACID SOLUTION.
http://www.jiskha.com/search/
1 answer
454 views
Compound 1 Compound 2
O || CH2=CH-CH-OH + CH3-CH-CH2-C | | | CH3 CH3 OH | | ? (i) identify any functional groups in compounds 1 &
1 answer
776 views
struggling to get this to come out right:
Compound 1 CH2=CH-CH-OH | CH3 + Compound 2 O || CH3-CH-CH2-C | OH | | ? (i) identify
1 answer
648 views
Sorry cannot get formula to come out right - all items move to left
Now you see the problem. But that can be overcome with line
1 answer
412 views
What is the structural formulae for the hydrolysis of lactose?
Lactose is a disaccharide that consists of รข-D-galactose and
1 answer
628 views
Using a structural formula wrute out the equation for the hydrolysis of lactose - please help!
see my posting on April 2, 2007 at
1 answer
472 views
can anyone please explain the term regulating mortality factor (regarding the holly leaf miner )and how understanding of this
1 answer
435 views
The age of a granite can be determined using radiometric dating. Explain the basis for a determination of a 238U-Pb radiometric
1 answer
617 views
I know you can't do the work for me - but has anyone done question 1b & 1c for S103 TMA08 - As I am struggling and could really
1 answer
487 views
1b - I have to draw a cross section showing the relationship with gabbro cutting across sandstone and schist with schist being
1 answer
897 views
If one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic
1 answer
609 views
I have the chemical equation: CH4 + NH3 + O2 => HCN + H2O, I have to write a balanced equation using the lowest whole number
3 answers
1,731 views
How do you prove that the sum of distances to a point from the interior of an equilateral triangle is equal to the height of a
1 answer
443 views
A circular flower bed has a radius of 33.2 m. An insect crawls around the edge of the flower bed at a rate of 2 meters per
1 answer
490 views
Juan buys 18 meter of wire. He cuts the wire into pieces of 3 meters long.how many pieces of wire dose he cut?
4 answers
1,419 views
If I borrow RM 100,000 to buy a house and I have to pay RM 3000 a month into an account that charges 5 % p.a compounded monthly,
1 answer
429 views
if g(x)= 5x^6-3/x^2, find the 3rd and 5th derivative of the function. Pls help!
1 answer
383 views
A compact car, with mass 725kg, is moving at 115km/h toward the east.....find the magnitude and direction of it's momentum. Draw
4 answers
2,531 views
Carter has a large marble collection. Carter knows that he has exactly 20 blue marbles in his collection, but does not know how
4 answers
2,224 views
An experiment consists of tossing a fair coin twice. The student reasons that there are three possible outcomes: two heads, one
3 answers
1,426 views
There are two bags each containing red balls and yellow balls. Bag A contains 1 red and 4 yellow balls. Bag B contains 3 red and
4 answers
2,273 views
The role that played by mining in the economy of south africa
4 answers
570 views
An LED is a device that emits light of a particular frequency when the voltage applied across the LED reaches a certain value.
1 answer
625 views
How do I solve this problem. Should I multiply. Ms. Hodge is baking cupcakes. She uses 3/4 cups of sugar for each batch of
4 answers
330 views
Explain why most refrigerators are painted in a white shiny colour
3 answers
717 views
can someone please help me solve
Miguel has a box of markers for coloring. He is using 1/4 of the markers and his friend Kevin is
2 answers
598 views
A mechanic's ruler uses decimal parts of an inch instead of fractions. The ruler reads decimals to the ten-thousandths place.
2 answers
971 views
The change for telephone calls, T,is partly constant and partly varies with the number n of unit of call.the bill for 420 unit
6 answers
1,669 views
solve the inequalities 7(c-1)>6(8-3c) represent on your number line.
4 answers
386 views
"
Debate on the topic free education is not good"
1 answer
114 views
If 5000g of apples cost R65. How much will 500 grams cost
1 answer
127 views
Write a letter to your friend in another school stating things which heve made your school popular
1 answer
71 views
Calculate the magnitude of the vector f =(2_2)
2 answers
94 views
Answers (14)
D B B A C B B A C B C D C A A D A D I failed this test but these should be all the correct answers. Goodluck!
I need help
The impact of risky behavior on spiritual
princeowusuadjapong1 at Gmail . com
[email protected]
is the email to send the answer to. Help me else I will miss out on marks.
Anyone who is willing to help me with the answer to this question should pls send the answer to
[email protected]
I really need this asap. God bless you for helping me out.
I need the answer to this question above. I cannot get access to the answer. Help me pls.
Thank u
Show works
17.1 sec
ms sue how did you this? did carter multiply the 40 select marbles by the 20 exactly marbles?
NH3(g)->N2(g)+3/2H2(G)=+45.9KJ(*1/2)and reversed CH4(g)->C(graphite)+2H2(g)=+74.9KJ reversed 1/2H2(g)+C(graphite)+1/2N2(g)-> HCN(g)=+135.1KJ Cancel out C(graphite)and 1/2N2(g) on opposite sides of the reaction. NH3(g)->H2(g)+1/2H2(g)=+45.9KJ (simplified
10/3
