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Joseph
Questions and answers by
Joseph
Questions (375)
The length of a rectangle is 5cm longer than the its breadth. Find the length and breadth if the perimeter is 26 cm
7 answers
asked by
Joseph
3,832 views
What is one important feature of an AUP?
A. a list of all available courses B. a clear outline of the consequences of violating
19 answers
9,453 views
A toy rocket has a mass 0f 350g at launch. The force it produces is 15N and it is fired at an angle of 65° to the horizontal.
10 answers
5,864 views
Can you help me unscramble these two words? ngtialceoo, birol
7 answers
asked by
Joseph
4,886 views
NH2-, NH3, and NH4+ have H-N-H bond angles of 105, 107 and 109. Explain this variation in bond angles.
4 answers
9,392 views
what number gives the same result when multiplied by 6 as it does when 6 is added to it?
9 answers
3,905 views
I have a homework on debate on the motion 'The youth should be blamed for indiscipline in the society ' .Please help of to raise
9 answers
1,346 views
Van Gogh's Starry Night....how would you describe his use of lines, colors, shapes and textures
I love that piece. How would you
3 answers
1,462 views
In a 4-digit number, the two greatest place-value digits are 2. The sum of the ones and tens digits is 14. What numbers are
3 answers
907 views
If you add a ten thousands digit that is 2 times the ones digit to the number 2,794, what is the new number?
How do you get
3 answers
1,286 views
Show me sample of dot arrays
1 answer
468 views
Use place value to find each missing number. Explain
4,657,839; 4,657,939; _,_ _ _, _ _ _; 4,658,139 change of +100 misssing
1 answer
410 views
What number is 100,000 greater than 99,999,999? In which places did the digits change?
write 10 multiples of 9 What number is
1 answer
544 views
I need to know the phonetic spelling of the name of the African God known as Sagbata. He was the god of smallpox.
Yoruba It looks
1 answer
382 views
A=1/2H(B+b) Solve for H
Let's start by getting rid of the fraction. Multiply both sides by 2 (whatever operation you do to one
1 answer
439 views
what or how do you get at least one equivalent fraction
1/4 = ___ what about 30/120 ? I don't know.. How did you get that?
4 answers
1,113 views
Why is WACC important to an organization?
Thank you for using the Jiskha Homework Help Forum. It is difficult to calculate the
1 answer
633 views
i need help completing these tasks...can u guys offer help on each of these taskS? thanks...
task 1: describe how key aims and
1 answer
478 views
For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and
1 answer
528 views
Compare the American legal system to the international legal environment of business.
1 answer
1,070 views
For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and
1 answer
502 views
I have a problem understanding how to set this problem up and get a solution:
Consider a binomial experiment with n = 10 and p =
1 answer
389 views
Why do Phoenix and Athens have a similar Temperature? Why do Philadelphia and London have a similar temperature?
Please help!!!
5 answers
399 views
Construct a Truth Table for the given statement:
1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my
4 answers
1,303 views
Construct a Truth Table for the given statement:
1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my
2 answers
612 views
Construct a Truth Table for the given statement:
1. p implies ~(pVq) 2. ~(p AND q)Vp I thought this is how to do it, but my
1 answer
474 views
Construct a Truth Table for the given statement:
1. p implies ~(pVq) 2. ~(p AND q)Vp
1 answer
902 views
Construct a Truth Table for the given statement:
1. p implies ~(pVq) 2. ~(p AND q)Vp
1 answer
417 views
I'm having trouble with this one.
Problem: Find the equations for the planes parallel to x+2y-2z=1 and two units away from it.
3 answers
544 views
what kitchen utensil or equipment starts with the letter "A"
4 answers
373 views
Calculate the pH of a 1.33 mol/L solution of HCN is the Ka value of HCN is 6.2x10^-12
2 answers
507 views
22 mL of 0.37 mol per litre acetic acid is titrated by way of a standardized 0.29 mol/L KOH solution. Calculate the pH of the
4 answers
1,290 views
An AgNO3 solution (44 mL/0.44 M) has been mixed with an NaCl solution (83 mL/1.35x 10^-2 M)
a)Determine the ion product of the
3 answers
976 views
19 mL of 0.50 mool/L NaOH which is standardized becomes titrated alongside 24 mL of 0.44 mol/L acetic acid. Determine the pH of
2 answers
617 views
Lab: Creating a Redox Table
Purpose: The purpose of this lab exercise is to construct a table of relative strengths of oxidizing
5 answers
641 views
Purpose:
The purpose of this lab exercise is to construct a table of relative strengths of oxidizing and reducing agents. By
2 answers
584 views
Hi I sent this question a few days ago but did not get it answered I think it may have been mixed up in the jumble.
Purpose: The
1 answer
430 views
Hi I sent this question a few days ago but did not get it answered I think it may have been mixed up in the jumble.
Purpose: The
7 answers
472 views
"Ag(s) reacts with none of the 4 (solutions of Ag^+2, Pb^+2, Cu^+2, Zn^+2}. So Ag(s) goes at the bottom of the table for now
3 answers
404 views
I found a pattern and I was wondering if it applies to all reactions.
The more times there is evidence of a redox reaction
2 answers
870 views
Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq)
Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T
10 answers
1,248 views
"However, the Ag^+ + I^- reacted to give AgI (but that is not a redox reaction) and if they reacted why didn't Br^- and Ag^+?"
Hi
1 answer
456 views
For the reactions that occurred spontaneously in the individual tables, balance these reactions assuming they are in an acidic
2 answers
629 views
please help me with this problem? I have the answer but I need to know how to do it.
Write the slope intercept form the equations
3 answers
389 views
please help me with this problem? I don't know how ro do it. please show me step by step.
Write the slope intercept form the
4 answers
496 views
how do you find additional points on a line with a slope of 1/2 and a given point of (7,-2)?
im sorry but i still cant get an
2 answers
548 views
how do you find additional points on a line with a slope of 1/2 and a given point of (7,-2)?
1 answer
336 views
the perimeter of a rectangle is 24 inches. find the dimensions if the length is 3 inches greater than its width
2 answers
930 views
Who was the man who championed the conquered province view of the South in the Reconstruction period abd wanted to give each
4 answers
358 views
Can you check my answers thanks.
Directions: State which statements are true and false. 1. Carbon atoms can bond together in
2 answers
531 views
identify fraction relationship of 5/10 of 20=
3 answers
263 views
identify fraction relationships 5/10 of 20=
2 answers
151 views
Joe and Anna collect football cards.The greatest common factor of the numbers of cards in their collections is 15.Altogether Joe
2 answers
575 views
Under what situation would one or more solutions of a rational equation be unacceptable? Give an example.
3 answers
363 views
What is the outer edge of a cheek cell called? please urgent homework due tommorow
2 answers
522 views
Write a 200- to 300-word description of the four time value of money concepts: present value, present value of an annuity,
1 answer
919 views
marbury vs madison
mcculloch vs Maryland dred scott decision plessy vs ferguson brown vs board of education roe vs wade bowers vs
2 answers
569 views
This is the problem:
The following HTML code fragment contains a reference to an image file called frog.gif and with alternate
7 answers
953 views
Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius.
WHAT is the vapor
4 answers
1,054 views
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celcius.
At what temperature does
4 answers
1,679 views
Ethanol has a heat of vaporization of 38.56 KJ/Mol. And a normal boiling point of 78.4 degrees celcius.
WHAT is the vapor
4 answers
2,269 views
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celcius.
At what temperature does
4 answers
2,332 views
The normal melting point of copper is 1357 K and heat of fusion of Cu is 13.05 KJ.
How much heat, in kilojoules, is evolved when
3 answers
1,722 views
The nominal resistance R of the resistor used in this experiment was printed on the resistor by the manufacturer. According to
4 answers
631 views
The typical resistance of the tungsten filament of a 60 watt incandescent light bulb when it is turned off is 24 ohms and its
4 answers
1,969 views
Hi, I have the following question:
1. The index of refraction for a prism is given by the equation: n = 1.58 − (6.41 x 10^4)λ
1 answer
451 views
Selling shirts. If a vendor charges p dollars each forrugby shirts, then he expects to sell 2000 - 100p shirts ata tournament.
a)
1 answer
395 views
cos x sin x
3 answers
455 views
write a pargraph of about 50 words on the topic job seeking is a task that needs courage as well as patience
1 answer
369 views
Calculate the molarity of the solution produced by mixing (a) 50.0 ml of 0.200 M NaCl
and 100.0 ml of 0.100 M NaCl;
3 answers
570 views
Sterling silver, an alloy of silver and copper, contains 7.5 percent copper by mass and has
a density of 10.3 g/cm3. How many
1 answer
688 views
A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm and contains 8.20 g
of each gas. Find the partial pressure
4 answers
2,479 views
A small “coffee cup” calorimeter contains 110. g of H2O at 22.0°C. A 100. g sample of
lead is heated to 90.0°C and then
4 answers
1,563 views
Consider the following reaction:
2Na + Cl2 2NaCl ΔH = -821.8 kJ (a) Is the reaction exothermic or endothermic? (b) Calculate
3 answers
861 views
which would have a lower melting point, C3H6 or CH30H? explain.
1 answer
422 views
NH2-,NH3, and NH4+ have H-N-H bond angles of 105, 107, and 109. Explain this variation in bond angles
4 answers
1,501 views
which would have a lower melting point, C3H6 or CH30H? explain please!
1 answer
446 views
On top of one of the peaks in Rocky Mountain National Park the pressure of the atmosphere is 500.torr. Determine the boiling
4 answers
456 views
The normal melting and boiling point of O2 are -218C and 49.8atm. a)Sketch the phase diagram for O2. b) Which is denser, O2(S)
5 answers
912 views
Give the conjugate acid of the following bases: a) NH2-, b) CO3 ^2-, c) HS-, d) OH-
4 answers
1,656 views
write the net ionic equation for the following :
2CuCl(aq)-> CuCl2(aq)+ Cu(s) 4NaCl(aq)+2H2SO4(aq)+MnO2(s)->
3 answers
1,842 views
Balance in acid solution
PH3+ I2-> H3PO4+ I-
1 answer
418 views
“There are many social and cultural contexts you interact with that strongly influence development. These contexts include
2 answers
529 views
I need help with balancing redox reactions
Balance in acid solution: 1) PH3+ I2 --> H3PO4+ I- 2) ClO3- + Cl- --> Cl2
1 answer
463 views
Balancing redox reactions
Balance in acid solution 1. PH3+ I2 -> H3PO4 + I- 2. ClO3- + Cl- -> Cl2 Balance in basic solution Se ->
1 answer
692 views
why is temperature of H2O2 measured in the graduated cylinder?
4 answers
326 views
If you drive 20 laps around a circular race track at 100 m/s what do you know about your speed, velocity and acceleration?
1 answer
463 views
In defining the sizes of orbitals, why must we use an arbitrary value, such as 90 percent of the probability of finding an
1 answer
687 views
A 400 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 2.0 s. What is the magnitude of the
3 answers
603 views
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the
3 answers
1,070 views
which of the following are predicted by the molecular orbital model to be stable diatomic species N22-, O22-, F22-
4 answers
2,100 views
Are there any compounds besides and,but,or,nor
1 answer
361 views
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point.
1 answer
437 views
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point.
1 answer
421 views
BP -164°C ΔHvap 8.136 kJ/mol sg 2.205 J/g°C
MP -182°C ΔHfus 0.928 kJ/mol sl 2.41 J/g°C Using the data above for methane,
2 answers
551 views
The normal boiling point for acetone is 56.5 Celsius. The atmospheric pressure is 630torr. What would be the boiling point of
1 answer
1,328 views
A student studies for a statistics exam where all questions are true or false. A reputable source indicates that with studying
2 answers
1,120 views
When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance
2 answers
533 views
When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance
2 answers
662 views
Having trouble with this:
Verify: csc^4x-cot^4x=2csc^2x-1 *the numbers after the carets are to the power of
1 answer
1,176 views
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