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julia

Questions (158)

air bags actived when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. this
1. 0 answers
2. 574 views
2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g)if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting
1. 3 answers
2. 978 views
An ideal gas in contained in a cylinder with a volume of 5.0x102mL at a temperature of 30C and a pressure of 710 torr. The gas
1. 2 answers
2. 2,176 views
consider the following balance chemical equation:2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4
1. 2 answers
2. 1,090 views
consider the following balance chemical equation:2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4
1. 0 answers
2. 667 views
consider the following balance chemical equation:2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4
1. 1 answer
2. 1,804 views
when an aqueous solution BaCl2 is mixied with an aqueois solution of Na2CO3, solid barium carbonate precipitates out of
1. 2 answers
2. 914 views
well it saids:A 1.50L rubber balloon is filled with carbon dioxide gas at a temperature of 0.00C and a pressure of 1.00 atm. the
1. 1 answer
2. 892 views
at 50.0C the balloon ha a vlomue of 1.78L. Calculate the carbon dioxide density at this temperature.
1. 3 answers
2. 485 views
Liquid water has a density of 1.00g/mL at 10.0C and .996g/mL at 30.0C. Calculate the change in volume that occurs when 500mL of
1. 1 answer
2. 555 views
Thank you, you don't know how much you have help me with my chem class...thank you so much..your the best!!
1. 2 answers
2. 396 views
for a combination reaction, it was calculated that 7.59g of A would exactly react with 4.88g of B. these amounts were reacted,
1. 2 answers
2. 1,370 views
supose 1.25 mol of N2 and 50.0g of O2 are moxied together.a)which one is the limiting reactant? b) what is the maximum mass in
1. 1 answer
2. 460 views
AgNO3+NaOH-->AgOH+NaNO3give me molecular , total ionic and net ionic???"
1. 1 answer
2. 10,459 views
suppose you had an unknown solution that contained either dissolved NaOH, NaCl< or NaNO3. you add 4 drops of AgNO3 solution to
1. 3 answers
2. 3,702 views
in the following total ionic equation, which ions are spectator ions?Cu2+ (aq) +
1. 1 answer
2. 3,647 views
how does the integral of cscx = ln|cscx - cotx|+C and ln |tan x/2|+C?
1. 0 answers
2. 623 views
calculate the molality of a solution that has 1.02kg sucrose (C12H22O11), dissolved in 554g water.
1. 2 answers
2. 773 views
disolving sucrose, NaCl< and calcium chloried affect the boiling point of frezing point of water. Assuming that you have 0.1m
1. 3 answers
2. 1,113 views
someone can help me with a discription with this KEY WORDS:advertising billboards, buskers, clowns, drama groups, fireworks,
1. 1 answer
2. 479 views
A man pulls a crate of mass 61.0 kg across a level floor. He pulls with a force of 178.0 N at an angle of 20.0� above the
1. 1 answer
2. 764 views
i need an essay in italian about the shopping mania.please help me
1. 7 answers
2. 481 views
Make a list of expressions that are followed by the '-ing' form
1. 7 answers
2. 461 views
How many moles of SO2 are required to make 125 mol CS2How many moles of carbon monoxide form at the same time that 0.255 mol CS2
1. 3 answers
2. 1,175 views
to subtract two decimals, line them up using the ?
1. 1 answer
2. 180 views
how do I solve : 1/2 + 2/x =3/4.thanks for helping!
1. 3 answers
2. 356 views
explain how you could show five less than a number using an expression?
1. 1 answer
2. 461 views
A 2.0 kg particle is moving along the x axis to the left with a velocity of v= -6.0 m/s. Suddenly, between times t =0 and t =
1. 1 answer
2. 725 views
One glider with a mass 0.2 kg and a speed of 3.5 m/s traveling east collides with another glider with mass 0.5 kg and a speed of
1. 3 answers
2. 562 views
Momentum is conserved whenever total mechanical energy is conserved.I believe this is false. Am I correct?
1. 1 answer
2. 681 views
Is this true or a trick question?In order to get a piano to start moving, you must push against it with a larger force than it
1. 4 answers
2. 397 views
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that you drive around a
1. 1 answer
2. 1,475 views
Is it true or false that when a baseball player hits a home room, the baseball received a greater impulse from the bat than the
1. 0 answers
2. 546 views
Is it true or false that momentum is conserved when total mechanical energy is conserved?
1. 0 answers
2. 460 views
please help--I don't understand how to get started!A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of
1. 1 answer
2. 438 views
A 2000 kg space probe is moving rightward in empty space along the x axis at 12 m/s. One of the probe’s rockets is fired
1. 1 answer
2. 634 views
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit severalhundred miles above the earth.
1. 1 answer
2. 655 views
I need help how to figure out2a-6c when a = -1/3 and c = 3/4
1. 3 answers
2. 373 views
x + y + zwhen x = -6.059; y= 3.884, z = 15.710 2. -19 -(-2.65)
1. 2 answers
2. 390 views
2*cos^2(a/2)=(sin^2(a))/(1-cos(a))can anyone help to prove this identity?
1. 1 answer
2. 480 views
What are the long term effects of tornadoes?
1. 0 answers
2. 509 views
At the equivalence point for CH3COOH, the pH will be?
1. 1 answer
2. 376 views
what is the question and answer flow for an exclamatory sentence?
1. 5 answers
2. 1,454 views
what is the formula for finding the decrease in kenetic energy
1. 1 answer
2. 431 views
In a collision between two soccer balls, momentum is conserved. Is momentum conserved for each soccer ball? explian... plz =)
1. 1 answer
2. 875 views
A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it
1. 2 answers
2. 6,986 views
if u jump onto the floor, are you more likely to be hurt if your legs are relaxed or if your legs are stiff and your knees are
1. 1 answer
2. 479 views
Can someone show me step by step how to work this problem out please.Let C be the triangle with vertices (0,0), (1,0), and
1. 1 answer
2. 477 views
A 20 kg child on roller skates, initially at rest, rolls 4 m down an incline at an angle of 30 degrees with the horizontal. If
1. 1 answer
2. 1,339 views
Any advice on how to figure out solubillty of Agno3?
1. 1 answer
2. 451 views
where can i get a big list and descirptions of scientists who were involved with scientific fraud? i tried google without much
1. 1 answer
2. 922 views
i know how to do it, i keep getting the wrong answer!!a bob of mass 4.00 kg is suspended from a fixed point by a massless string
1. 2 answers
2. 730 views
a car is travelling along a cruve having radius of curvature of 80.0 m, banked at an angle of theta=30. The coeff of static
1. 0 answers
2. 884 views
You drop a stone from the top of a cliff that is 20 meters tall. Compute how long it will take for the stone to reach the bottom
1. 1 answer
2. 462 views
what is the radius of a circle using center and radius
1. 1 answer
2. 328 views
Why do the control mechanisms have several intergation centers?Julia, did you mean integration or interrogation? The control
1. 0 answers
2. 619 views
180 ml of a mixture of water and alcohol with 90% alcohol concentration is mixed with 70 ml of pure water. what is the alcohol
1. 0 answers
2. 1,278 views
3x+y=-4x=3-3y y=2x x+2y=-4 You have written four equations in two unknowns. There is no x,y combination that satisfies all of
1. 0 answers
2. 315 views

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