Ask a New Question

Questions and answers by

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. 582 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. 992 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. 2,181 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. 1,101 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. 676 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. 1,813 views
when an aqueous solution BaCl2 is mixied with an aqueois solution of Na2CO3, solid barium carbonate precipitates out of
1. 2 answers
2. 926 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. 901 views
at 50.0C the balloon ha a vlomue of 1.78L. Calculate the carbon dioxide density at this temperature.
1. 3 answers
2. 491 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. 567 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. 404 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. 1,379 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. 466 views
AgNO3+NaOH-->AgOH+NaNO3give me molecular , total ionic and net ionic???"
1. 1 answer
2. 10,468 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. 3,711 views
in the following total ionic equation, which ions are spectator ions?Cu2+ (aq) +
1. 1 answer
2. 3,655 views
how does the integral of cscx = ln|cscx - cotx|+C and ln |tan x/2|+C?
1. 0 answers
2. 631 views
calculate the molality of a solution that has 1.02kg sucrose (C12H22O11), dissolved in 554g water.
1. 2 answers
2. 784 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. 1,121 views
someone can help me with a discription with this KEY WORDS:advertising billboards, buskers, clowns, drama groups, fireworks,
1. 1 answer
2. 487 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. 776 views
i need an essay in italian about the shopping mania.please help me
1. 7 answers
2. 487 views
Make a list of expressions that are followed by the '-ing' form
1. 7 answers
2. 475 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. 1,188 views
to subtract two decimals, line them up using the ?
1. 1 answer
2. 188 views
how do I solve : 1/2 + 2/x =3/4.thanks for helping!
1. 3 answers
2. 361 views
explain how you could show five less than a number using an expression?
1. 1 answer
2. 468 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. 732 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. 567 views
Momentum is conserved whenever total mechanical energy is conserved.I believe this is false. Am I correct?
1. 1 answer
2. 688 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. 405 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. 1,483 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. 550 views
Is it true or false that momentum is conserved when total mechanical energy is conserved?
1. 0 answers
2. 466 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. 446 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. 647 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. 672 views
I need help how to figure out2a-6c when a = -1/3 and c = 3/4
1. 3 answers
2. 383 views
x + y + zwhen x = -6.059; y= 3.884, z = 15.710 2. -19 -(-2.65)
1. 2 answers
2. 397 views
2*cos^2(a/2)=(sin^2(a))/(1-cos(a))can anyone help to prove this identity?
1. 1 answer
2. 484 views
What are the long term effects of tornadoes?
1. 0 answers
2. 516 views
At the equivalence point for CH3COOH, the pH will be?
1. 1 answer
2. 384 views
what is the question and answer flow for an exclamatory sentence?
1. 5 answers
2. 1,467 views
what is the formula for finding the decrease in kenetic energy
1. 1 answer
2. 437 views
In a collision between two soccer balls, momentum is conserved. Is momentum conserved for each soccer ball? explian... plz =)
1. 1 answer
2. 885 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. 7,004 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. 489 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. 488 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. 1,353 views
Any advice on how to figure out solubillty of Agno3?
1. 1 answer
2. 456 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. 929 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. 742 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. 898 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. 466 views
what is the radius of a circle using center and radius
1. 1 answer
2. 331 views
Why do the control mechanisms have several intergation centers?Julia, did you mean integration or interrogation? The control
1. 0 answers
2. 628 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. 1,289 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. 323 views

Pages

1
2

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025