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Freddy
Questions and answers by visitors named
Freddy
Questions (37)
3.22g of hydrated sodium sulphate, Na2SO4 X H2O were hearted to a constant mass of
1.42 g. Determine the value of x in the
5 answers
2,574 views
5.0g of calcium carbonate were allowed to react with 25cm3 of 1.0M hydrochloric acid
Until there was no further reaction.
3 answers
454 views
What is the concentration of HNO3 in a solution that has a pH of 3.4?
5 answers
4,653 views
An alien spaceship is revolving around a spherical asteroid in a very low circular orbit. The period of revolution of the
5 answers
2,795 views
4. Calculate the mass of zinc carbonate that would remain if 17.0g of zinc carbonate was
reacted with 50cm3 of 4M nitric acid.
3 answers
693 views
All of the following refer to the Economy of Ecoland:
- GDP in 1990 is $1000 - Annual inflation is 5% per year from 1991 - 1995.
1 answer
849 views
The task of my assignment was to calculate the Nominal GDP, given the GDP deflator and the Real GDP. This is what I got.
GDP
1 answer
654 views
The economy consists of the following:
- working-age population: 20M - full time employment: 8M - part-time employment: 2M (1M of
1 answer
1,158 views
Find the derivative of:
ln(2x/x+1) the answer is 1/x(x+1) but i can't seem to solve it that far. ln [2x/(x+1)] = ln 2 + ln (x) -
1 answer
459 views
What are the first and second derivatives of y = (1/x^2)-(1/(x-2)^2)?
4 answers
380 views
Hi,
Can anyone tell me if I have picked the correct TRUE statements .. From the pairs of terms given below, choose the option
2 answers
542 views
Hi,
Can anyone tell me if I have picked the correct TRUE statements .. From the pairs of terms given below, choose the option
1 answer
514 views
List at least 2 similarities and 4 differences found through comparing the music, the music traditions, performing, etc., of
1 answer
626 views
my assignment is to Write a 150- to 200-word paragraph to explain how purpose, audience, tone, and content impact academic
4 answers
1,273 views
A painter needs to paint a circular floor that is 24 yards in diameter. A gallon of paint cover 59 square yards. How many
3 answers
3,731 views
The distance between two successive crests of
a certain transverse wave is 1.42 m. Eight crests pass a given point along the
2 answers
551 views
Please check this for me:
the lenght l, width w, & height h of a box change with time. At a certain instant the dimensions are
1 answer
499 views
An R-C circuit is driven by an alternating voltage of amplitude 110 V and frequency w. Define V0 to be amplitude of the voltage
4 answers
1,087 views
find the product..-9x(x^3-3x^2+3x+9)
1 answer
240 views
Ms Sue I thought this site is for HOMEWORK HELP SPECIFICALLY,if it is not ,this site is strictly false advertising
1 answer
423 views
Imagine that you were the CEO of Apple computer. Recognizing the importance of developing strategies to adapt to environmental
1 answer
478 views
A 7900- helicopter accelerates upward at 0.90 while lifting a 1100- frame at a construction site.
A) What is the lift force
4 answers
2,990 views
A 7900- helicopter accelerates upward at 0.90 while lifting a 1100- frame at a construction site.
A) What is the lift force
4 answers
759 views
A car went from a stop position to 50 km/hr in 5 seconds. What is the accelleration?
1 answer
363 views
The pizza restuarant has a special off today: 3 pizzas for $25. The soccer team is ordering pizza, if each player eats 1/4
3 answers
461 views
A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2.
(a) What mass, in grams, of calcium
1 answer
1,068 views
Find the domain of the function:
0=((y-4)/(8-sqrt(y)))
1 answer
436 views
A 1.0 m long string is fixed at both ends and has a tension of 80N. The mass of the string
is 2 gm. Find the third harmonic of
3 answers
673 views
Because of the changing color of the solution as the following reaction proceeds, the rate law can be determined by measuring
3 answers
1,043 views
Suppose you have added 200.0 mL of a solution containing 0.5000 moles of acetic acid per liter to 100.0 mL of 0.50000 M NaOH.
4 answers
1,250 views
a) Find the pH at the equivalence point when 40ml of 0.025 M of methylamine (NH2CH3 and Kb = 4.4x10^-4) is titrated with 0.025 M
1 answer
530 views
T=r/d
What is r? What is d? And how?
1 answer
282 views
A concentrated solution of sulphuric (VI) acid contains 72.5% sulphuric (VI) acid. If the density of the acid is 1.8g/cm3
1 answer
251 views
If 4g of the carbonate reacts completely with 40cm3 of 2M hydrochloric acid, calculate
The Relative atomic mass of X. (C=12.0
1 answer
224 views
whats the solute of Chromium(III) chloride(aq) + potassium sulfide(aq)
4 answers
201 views
analyze how limitations to the right to freedom of expression of the media may assist in promoting public safety
1 answer
864 views
In four to five sentences, summarize a memorable day in your life. Use at least one simple sentence, one compound sentence, one
1 answer
87 views
Answers (18)
I want an answer
1,2,3,4,56,7,8,9,10,11,12
Which fraction is equivalent to 3.
can sumone plz explain this math? or just give us answers idc im greatful for anything Plz. My semester for connections is ending
I dont understand need more
Methane is added
some one help please!
He may be real!
No no no! The one above is not correct.
Yeah, Its A. :)
I am not going to give you the answer but since you know the area, You need to see what 12 x ___ = 84. Its quite simple! (;
I found the velocity for the string. Now what?
The whirl series
Im sorry I was only asking for some help :-0(
When c changes, the slope of cubic function changes? How is it changing?
But isn't it supposed to be 2/x^3 - 2/(x-2)^3?
the Iron Age impacted history in many different ways. that question is pretty vague. One of the big impacts is that the Iron Age lead to the development of steal. Weapons became stronger and armor started to become more important in battles. think of it as
