What is the density of a liquid with a mass of 17.4 g and a volume of 20 mL?

Biology

2 answers:

iren [92.7K]3 years ago

8 0

Answer:

The density of the liquid is 0.87 g/ml

Explanation:

Density = 17.4g divides 20ml = 0.87 g/ml (rounded to one significant figure)

GaryK [48]3 years ago

3 0

Answer:

$\boxed {\tt 0.87 \ g/mL}$

Explanation:

The density of a substance can be found by dividing the mass by the volume, or using the formula below.

$d=\frac{m}{v}$

The mass of the liquid is 17.4 grams. The volume of the liquid is 20 milliliters. Therefore,

$m= 17.4 \ g\\ v=20 \ mL$

Substitute the values into the formula.

$d=\frac{17.4 \ g}{20 \ mL}$

Divide the values.

$d= 0.87 \ g/mL$

The density of the liquid is 0.87 grams per milliliter.

You might be interested in

How can biologists help meet the needs of people who live in hot, dry environments?

agasfer [191]

Answer: By designing new solar-powered ovens, by developing crops that need less water, by manufacturing new containers for storing water

3 0

3 years ago

You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the cells on light 14N medium for many gen

Effectus [21]

Answer:

One band of light density and one band of heavy density.

Explanation:

According to conservative model of replication, the original strands do not separate from each other during replication. Hence, after replication the old strands are together and the new strands are together.

Here, cells were grown in 14N medium first so 14N was used for DNA replication and all DNA molecules had 14N. When the cells were transferred to 15N medium, only 15N was available for replication process. New DNA molecules would be synthesised using 15N (15N15N) and old DNA molecules have 14N (14N14N). Hence, in density gradient one band will be of light density (14N14N) and one band will be of heavy density (15N15N).

5 0

3 years ago

which of the following about prokaryotic chromosomes is true? a. comprise at least two chromosomes b. are made of DNA wrapped ti

Fantom [35]

The answer is, d. consists of circular DNA molecule . The circular DNA is found in bacterias and archeas (which are prokaryotic organisms). The picture shows bacterial chromosome.