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Reil [10]
2 years ago
13

Please help me I really need it :(

Chemistry
2 answers:
masya89 [10]2 years ago
8 0
1)If the temperature of the water changes then the amount of sugar that can dissolve changes because hot water makes more amount of sugar dissolve.

2)If the amount of gas in a car changes then the distance a car can travel doesn’t change because the amount of gas doesn’t affect the distance a car can travel.

this is in 7th grade form so it might not be good if you’re in a higher grade
skad [1K]2 years ago
7 0

Answer: i Honestly don’t know

Explanation:

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A cube has a height of 8 cm and a mass of 457 g. What is its density?
ZanzabumX [31]

Answer:

the answer is b,  0.89

Explanation:

A cube has a height of 8 cm and a mass of 457 g. What is its density?

a. 233,984 g/cm

b.  0.89g/cm3

c. 1.12 g/cm3

Density = mass/volume

the volume of the cube is 8X8X8=512cm3

the mass is 457 gm

the density is 457/512 = 0.889 gm/cm3

the answer is b, 0.89

3 0
2 years ago
Why do people poop it is for my chemistry class
algol13
The digestive system takes the nutrients from the food you eat as well as the water. The leftover matter is excreted through the body as feces, or poop. Hope I helped :)
3 0
3 years ago
Read 2 more answers
LolnnrjejahaushanakKababab
snow_lady [41]

Answer:

LolnnrjejahaushanakKababab

Explanation:

Source: Trust me bro

4 0
3 years ago
Strigol is an important plant hormone that is released by crops such as rice and sugarcane. Unfortunately for these plants, stri
Len [333]

The hydrogen deficiency index( HDI) of strigol is = 10

<h3>How to calculate HDI:</h3>

The hydrogen deficiency index is used to measure the number of degree of unsaturation of an organic compound.

Strigol is an example of an organic compound because it contains carbons and hydrogen.

To calculate the HDI using the molecular formula given (C19H20O6) the formula for HDI is used which is:

hdi =  \frac{1}{2} (2c + 2 + n - h - x)

where C = number of carbon atoms = 19

n= number of nitrogen atoms = 0

h= number of hydrogen atoms = 20

X = number of halogen atoms = 0

Note that oxygen was not considered because it forms two bonds and has no impact.

There for HDI =

\frac{1}{2} (2 \times 19 + 2 + 0 - 20 - 0)

HDI=

\frac{1}{2} (40 - 20)

HDI =

\frac{1}{2}  \times 20

HDI = 10

Therefore, the hydrogen deficiency index of strigol is = 10

Learn more about unsaturated compounds here:

brainly.com/question/490531

7 0
3 years ago
3. compounds in which elements are held together by covalent bonds...keeps their own properties
stich3 [128]
The anserr is c that what i think
3 0
3 years ago
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