Hi!
You would not want to use a stopper when<span> combining two unknown substances because the gasses made from the combination could end up creating to much pressure and explode.</span>
Answer:
I believe the answer is Molten
Explanation:
I did that quiz and got 100% :)
Below is the list of both Natural and Synthetic compounds containing Carbon.
Natural Compounds Containing Carbon:
1) Food:
Carbohydrates, Proteins, Lipids, Fibers
2) Clothing:
Silk, Wool, Cotton
3) Transportation:
Coal, Natural Gas, Petroleum
4) Wood:
Building, Furniture
Synthetic Compounds Containing Carbon:
1) Clothing:
Nylon, Polyester,
2) Transportation:
Petrol, Diesel, Jet Fuels
3) Building:
High Density Polyethylene, Polyvinyl Chloride
4) Home Appliances:
Teflon in non-stick Pans, polyethylene terephthalate bottles
Answer:
20.0 grams
Explanation:
If the density of gold is 20.0 g/mL, then we can multiply it by 1 mLto find the weight of 1 mL of gold.
20.0
*1mL=20.0 grams
Answer:
B) sand
Explanation:
A) Oil is a wrong choice because it is a liquid not a solid and also if it is oil, it will float over the water surface as a droplets.
B) Sand is the right choice, because sand is a solid and it does not dissolve in water and stabilizes at the bottom.
C) Sugar is a wrong choice, because small amount of sugar will dissolve in water and be a homogeneous solution and does not appear as a particles.
D) Wood ships is also a wrong choice, even it is a solid and does not dissolve in water, but it will float over the water surface.
