All categories

3 years ago

Which pairs of matter demonstrate the law of conservation?

Chemistry

2 answers:

Oksana_A [137]3 years ago

6 0

Which pairs of matter demonstrate the laws of conservation?

The only correct ones are:

a Snowman and the melted remains of the same Snowman,

a lump of clay and the same lump broken into three pieces,

one apple and the same Apple cut into slices.

100% just had homework asking this same question got a 100% on USA TP

noname [10]3 years ago

4 0

Answer: There are 3 answers.

* A Snowman.

* The melted remains of the same snowman.

* A lump of clay.

* The same lump broken into three pieces.

* One apple.

* The same apple cut into slices.

Answer key Below:

You might be interested in

Aluminum has a density of 2.70 g/mL. A sample of aluminum weighs 67.5 g. If this sample is put into a graduated cylinder that ha

romanna [79]

Answer:

60 ml

Explanation:

Now, we know that density = mass/volume

Mass of aluminium = 67.5 g

volume of aluminium =?

density of aluminium = 2.70 g/mL

volume of aluminium = mass/density = 67.5/2.70 = 25 ml

Since volume of water in the cylinder = 35 ml

The water rises to ; 35 ml + 25 ml = 60 ml

4 0

3 years ago

A sample of gas occupies 3.00 L with 5.00 moles present. What would

pantera1 [17]

3/5 times 5/3x = 8*3/5. X=24/5 simplified would be x= 4.8 L.

5 0

3 years ago

What is the empirical formula of C6H12O6? C2H4O2 CH2O CH2O2 C2H4O

wariber [46]

Answer: The empirical formula for C6H12O6 is CH2O. Every carbohydrate, be it simple or complex, has an empirical formula CH2O

Explanation:

5 0

2 years ago

A flask with a volume of 250.0 mL contains air with a density of 1.164 g/L. What is the mass of the air contained in the flask?

satela [25.4K]

Answer:

convert 250.0 mL in Liters :250. 0 / 1000 = 0,25 LDensity = 1.240 g/LMass

Explanation:

6 0

2 years ago

Which of the following is the Arrhenius equation?

natka813 [3]

Answer:

A is the answer the reason why is because I got it right when I was doing my test

3 0

3 years ago