All categories

3 years ago

34.

Chemistry

1 answer:

Ganezh [65]3 years ago

5 0

Answer:

a. homogeneous

b. heterogeneous

c. homogeneous

d. homogeneous

Hope this helps!!! Good luck!!! ;)

You might be interested in

Mass is 80g. Volume is 40ml. What is the density

IRISSAK [1]

80 / 40 = 2 Therefore the density is 2g/mL

6 0

3 years ago

Read 2 more answers

Which is most likely why many scientists reject the cold fusion theory?

mina [271]

The original results have not been replicated consistently and reliably.

8 0

3 years ago

Read 2 more answers

a 40-lb container of peat moss measure 14x20x30 inches and has an average density of 0.13 g/cm^3. how many bags of peat moss are

telo118 [61]

Volume of the peat moss = $14\times 20\times 30 inches$

= $8400 in^{3}$

Convert the above volume into $cm^{3}$

$1 in^{3}= 16.4 cm^{3}$

Thus, volume in $cm^{3}$ is:

Volume of peat moss = $8400 in^{3}\times \frac{16.4 cm^{3}}{1 in^{3}}$

= $137760 cm^{3}$

Now,

Total volume by using area and depth of the peat moss = $area of peat moss \times depth of peat moss$

= $(13 ft \times 25 ft)\times 1.9 inches$

= $(325 ft^{2})\times 1.9 inches$

Convert above values in $cm$ to get the value of volume in $cm^{3}$ :

$1 ft= 30.48 cm$

$1 in= 2.54 cm$

Thus, volume in $cm^{3}$ is:

Total volume = $(325 ft^{2}\times\frac{(30.48 cm)^{2}}{(1 ft)^{2}})\times (1.9 in\times \frac{2.54 cm}{1 in})$

= $301934.88 cm^{2}\times 4.826 cm$

= $1457137.73088 cm^{3}$

Now, number of bags is calculated by the ratio of total volume of the peat moss to the volume of the peat moss.

$Number of bags =\frac{total volume of peat moss}{volume of peat moss}$

Substitute the values of volume in above formula:

$Number of bags = \frac{1457137.73088 cm^{3}}{137760 cm^{3}}$

= $10.57$

≅ $11$ bags

Thus, number of bags of peat moss are needed to cover an area measure $13 ft$ by $25 ft$ to a depth of $1.9 inches$ are $11$ bags.

4 0

3 years ago

Steam reforming of methane ( CH4 ) produces "synthesis gas," a mixture of carbon monoxide gas and hydrogen gas, which is the sta

Hatshy [7]

Answer: The pressure equilibrium constant for the reaction is 1473.8

Explanation:

We are given:

Initial partial pressure of methane gas = 2.4 atm

Initial partial pressure of water vapor = 3.9 atm

Equilibrium partial pressure of hydrogen gas = 6.5 atm

The chemical equation for the reaction of methane gas and water vapor follows:

$CH_4+H_2O\rightleftharpoons CO+3H_2$

Initial: 2.4 3.9

At eqllm: 2.4-x 3.9-x x 3x

Evaluating the value of 'x':

$\Rightarrow 3x=6.5\\\\x=2.167$

So, equilibrium partial pressure of methane gas = (2.4 - x) = [2.4 - 2.167] = 0.233 atm

Equilibrium partial pressure of water vapor = (3.9 - x) = [3.9 - 2.167] = 1.733 atm

Equilibrium partial pressure of carbon monoxide gas = x = 2.167 atm

The expression of $K_p$ for above equation follows:

$K_p=\frac{p_{CO}\times (p_{H_2})^3}{p_{CH_4}\times p_{H_2O}}$

Putting values in above equation, we get:

$K_p=\frac{2.167\times (6.5)^3}{0.233\times 1.733}\\\\K_p=1473.8$

Hence, the pressure equilibrium constant for the reaction is 1473.8

5 0

3 years ago

Traits that are due to _______ are considered to be acquired traits.

kirill [66]

Environmental conditions

Explanation:

Traits that are due to environmental conditions are considered to be acquired traits. This kind of trait are not coded in the DNA and passed down as inherited traits.

A larger body muscle due to regular exercise and fitness training is an acquired trait.
Skin color most times are inherited.
Acquired traits are typically conditioned due to the environment an organism finds itself.
These traits cannot be passed down.

Learn more:

Traits brainly.com/question/2908634

#learnwithBrainly

6 0

3 years ago