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Tatiana [17]
3 years ago
9

When combined the two substances together in the cup, the product can be described as a ____ or ____ (there are two possible ans

wers . you just need to choose one )
1. white gas
2. white liquid
3. white solid

Chemistry
1 answer:
Elina [12.6K]3 years ago
8 0
I am pretty sure it is white white liquid but if I’m not right I am so sorry
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A chef makes salad dressing by mixing oil, vinegar, and spices, as shown. Which type of matter is the salad dressing?
kozerog [31]

The answer is heterogeneous because if a salad is mixed by the following item it will not mix properly and we could easily separate them.

hope that helps you

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3 years ago
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What is the relationship between anabolic and catabolic pathways?
BartSMP [9]

Explanation:

Anabolic pathways are those that require energy to synthesize larger molecules. Catabolic pathways are those that generate energy by breaking down larger molecules. Both types of pathways are required for maintaining the cell's energy balance.

7 0
3 years ago
A potassium bromide solution is 8.34% potassium bromide by mass and its density is 1.03 g/ml. what mass of potassium bromide is
jenyasd209 [6]

Answer:-  3.84 grams

Solution:-  Volume of the sample is 44.8 mL and the density is 1.03 gram per mL.

From the density and volume we calculate the mass as:

mass = volume*density

44.8mL(\frac{1.03g}{mL})

= 46.1 g

From given info, potassium bromide solution is 8.34% potassium bromide by mass. It means if we have 100 grams of the solution then 8.34 grams of potassium bromide is present in. We need to calculate how many grams of potassium bromide are present in 46.1 grams of the solution.

The calculations could easily be done using dimensional analysis as:

46.1gSolution(\frac{8.34gKBr}{100gSolution})

= 3.84 g KBr

Hence, 3.84 grams of KBr are present in 44.8 mL of the solution.

8 0
3 years ago
Show
SIZIF [17.4K]

Answer: 0.9375 g

Explanation:

To calculate the number of moles for given molarity, we use the equation:

\text{Moles of solute}={\text{Molarity of the solution}}\times{\text{Volume of solution (in L)}}     .....(1)

Molarity of HCl solution = 0.75 M

Volume of HCl solution = 25.0 mL = 0.025 L

Putting values in equation 1, we get:

\text{Moles of} HCl={0.75}\times{0.025}=0.01875moles  

CaCO_3(s)+2HCl(aq)\rightarrow CaCl_2(s)+CO_2(g)+H_2O(l)  

According to stoichiometry :

2 moles of HCl require = 1 mole of CaCO_3

Thus 0.01875 moles of HCl will require=\frac{1}{2}\times 0.01875=0.009375moles  of CaCO_3

Mass of CaCO_3=moles\times {\text {Molar mass}}=0.009375moles\times 100g/mol=0.9375g

Thus 0.9375 g of CaCO_3 is required to react with 25.0 ml of 0.75 M HCl

6 0
2 years ago
Which of the following is most likely a chemical reaction?
masha68 [24]

Answer:

Two solid powders are combined and shaken. The substances form a mixture.

4 0
3 years ago
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