Describe the residue left on the filter paper

Assignment Help Chemistry

Reference no: EM13699155

Describe the residue left on the filter paper after you have filtered the water, sand, and sodium carbonate mixture. What do you think this residue contains?

Describe the appearance of the filtrate that flowed into the evaporating dish. Could this filtrate be a mixture? If so, does it appear to be homogeneous or heterogeneous?

Describe the residue that remains after you evaporate the water from the filtrate in Step 17. What do you think this residue contains?
For ice describe the general appurtenance of dry ice in the beaker

Describe what happens when you place a burning wood slant into the beaker containing dry ice.

What evidence do you have that carbon dioxide gas is present in the beaker?

Did the carbon dioxide in the dry ice undergo a physical or chemical before you inserted the burning splint into the beaker? Briefly explain.

Anyone can tell me how to solve it step by step so that I will be able to understand what is going on?

Reference no: EM13699155

Questions Cloud

Obtain his acceleration as he comes to rest on the pad : A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. What is his acceleration as he comes to rest on the pad

Absorbance measurement of a potion : What effect would the following have on your determined absorbance measurement of a potion. (Too high, too low or unchanged). Bubbles in the cuvette, fingerprints that reflect light, fingerprints on the cuvette that absorb at your chosen wavelengt..

Determine the equation of motion : A mass m=1.85 kg in a spring-mass system with k=5.44 N/m is observed to be moving to the right, past its equilibrium position with a speed of 4.38 m/s at time t=0. determine the equation of motion

What is the velocity of the rocket : A rocket engine can accelerate a rocket launched from rest vertically up with an acceleration of 19.3 m/s2. What is the velocity of the rocket

Describe the residue left on the filter paper : Describe the residue left on the filter paper after you have filtered the water, sand, and sodium carbonate mixture. What do you think this residue contains

Find the total distance covered : A subway train starts from rest at a station and accelerates at a rate of 2.00 m/s2 for 14.0 s. Find the total distance covered

How fast must it go during the given time : A car making a 105-km journey travels 42 km/h for the first 52.5 km. How fast must it go during the second 52.5 km to average 53 km/h

Electrode potential is scanned from negative to positive : In cyclic voltammetry, working electrode potential is scanned from negative to positive direction. Why the current does not increase linearly with the increase of potential (OHm's Law). In fact, a peak of current is observed.

What is the total time the blue car is moving : Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving

User Account

All Pages