Recent content by Sace Ver

Why did it decompose the way it did?

1. Homework Statement (NH4)2CO3 = 2NH3 + H2O + CO2 Homework Equations Decomposition Rxn The Attempt at a Solution I'm not quite sure why this reaction occurred can someone please explain it to me.

After obtaining speed which as you said was 332m/s I'm not quite sure which formula to use next.

86m x 2 = 172 bc it is an echo? V=d/t V=172m/0.50s V=344m/s

Homework Statement A violin string is vibrating at a frequency of 880Hz. How many vibrations does it make when the sound produced travels 332m through air at temperature of 0 degrees Celsius. Homework Equations Not sure. The Attempt at a Solution I'm not quite sure how to solve this equation.

Homework Statement A student stands 86m from the foot of a cliff, claps her hands, and hears the echo 0.50s later. Calculate speed of sound in air. Known •86m •0.50s Homework Equations V=331.4+0.606T The Attempt at a Solution V=d/t V=86m/0.50s V=172m/s Is that the first step to the problem...

Yess thanks for the help

Not sure if I did this correctly. (a) v=λ/T v= 4.4/1.5 v= 2.93m/s (b)t=d/v t= 100m/2.93m/s t= 34.13s (c) d=vt d= (2.93m/s)(60s) d= 175.8m Did I do it correctly?

Do I need to use formula T=1/f

Is one period one second?

Okay I got 2.93m/s. What I me I meant to say not sure how to solve (b) and (c).

Oops will fix right now.

Homework Statement The wavelength of a water wave is 4.4m and it's period is 1.5s. (a) what is the speed of the wave. (b) the time required for the wave to travel 100m. (c) the distance traveled by the wave in 1min. Homework Equations v=λ/T The Attempt at a Solution (a) v=λ/T v= 4.4m x 1.5s...

Homework Statement The tine of a tuning fork, when struck, has an amplitude of 0.25cm. If the frequency is 150 Hz, what total distance with the tine travel in 1.00 min? Homework EquationsThe Attempt at a Solution Not sure how to solve this problem.

Electronegativity chart and values