How many grams of starch would you need to make 500ml of a 5% solution?

Answers

Answer 1
Answer:- 25 grams.
Solution:- We are asked to make 500 mL of 5% glucose solution. The percentage is the mass by volume percentage. 5% glucose solution means 5 grams of glucose present in 100 mL solution. From this given information, we can easily calculate the mass of glucose required to make 500 mL solution.
The calculations are shown as:

500mL*5g/100mL

= 25g
So, 25 grams of glucose are required to make 500 mL of 5% solution.


Related Questions

Moving your limb through a full 360 degree circle is called what*
Rotation
Circumduction
Flexion
Extension

Answers

Answer:

rotation

Explanation:

circle is 360 degrees

Moving your limb through a full 360 degree circle is called rotation of your limb.

What is rotation?

Rotation is the process of moving an object or a body from a central position, through the circumference of that position.

This type of motion is usually 360 degrees movement because it involves a complete circle or turn.

Thus, moving your limb through a full 360 degree circle is called rotation of your limb.

Learn more about rotation here: https://brainly.com/question/26249005

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Question 4 (2 points)
(03.05 LO
Which statement is true? (2 points)
Geothermal power is generated from moving water
Oil, a renewable resource, is processed to make
jet fuel
Wind power can turn turbines to generate electrical power
d
Propane, a renewable resource, is used in some heating systems.

Answers

Answer:

B is true

i took the test

Oil is a renewable energy resource. It is processed to make jet fuel. Thus, the correct option is B.

What are renewable energy resources?

Renewable energy is the energy which is derived from natural sources which are replenished at a higher rate than they are being consumed. Sunlight and wind are the two such sources of energy which are constantly being replenished from the planet. Renewable energy sources are present in plentiful amounts and are found all around us.

Jet fuels are the energy fuels which are typically made by the blending and refining of various crude oils such as petroleum distillation products including naphtha, gasoline, or kerosene in order to meet the specific military or commercial specifications required.

Therefore, the correct option is B.

Learn more about Energy resources here:

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How did the stop codon mutation in Lucy’s ADA gene stop her ADA protein from working?

Answers

Answer:

The stop codon mutation in Lucy's ADA gene stopped her ADA protein from working by putting a hault to the process of translation.

Explanation:

This stopped it from working because it lead to a protein that was then nonfunctional.

I NEED HELP ASAP!!

1. is Pepsi a mixture or pure substance?
2. is Sulfur mixture or pure substance?
3. is Copper penny pure or substance?

Answers

Answer:

Pepsi- Mixture

Sulfure- Pure substance

Copper penny- Mixture

Explanation:

true or false: Sex cells are haploid because they only contain one set of unpaired chromosomes.

Answers

Answer:

true

Explanation:

remember- Haploid it sounds like half, so when you think of half, always think of sex chromosomes.  23 chrom.

   diploid- well its the other one so yeah  46 chrom.

Several species of warblers (warblers are birds) can live in the same spruce tree ONLY because they:

Answers

Answer:

They inhabit numerous niches within the forest.

Explanation:

All the biophysical environments where a species lives and how it acquires what it wants for its life and reproduction. In same forest, three separate warbler species live. No, since they occupy the environment, and get nutritional resources across multiple locations on the plant.

Answer:

 

occupy different niches within the tree

Explanation:

HELPPPPPPPPPPPPpbdishejwieieie

Answers

Answer:

B

Explanation:

The answer is B-across a space between them called the synapse

what re stomata?how do they help leaves tomae food.
love you all

Answers

Answer:

Stomata allow a plant to take in carbon dioxide, which is needed for photosynthesis. They also help to reduce water loss by closing when conditions are hot or dry. Stomata look like tiny mouths which open and close as they assist in transpiration.

:)

what is a warm air mass that rises over a cold air mass?​

Answers

Answer: warm front

Explanation: When a warm air mass meets a cold air mass, the warm air rises since it is lighter. At high altitude it cools, and the water vapor it contains condenses. This type of front is called a warm front. It generates nimbostratus clouds, which can result in moderate rain.

All organs in the human body perform important functions. Which organ controls all
of the other organs and is called the control center of the body?
stomach
B
small intestine
С
brain
D
liver

Answers

Answer:

c

Explanation:

Answer:

Well I thought it was the nervous system but that is connected/ made up of the brain so I would go for C, Brain

When is genetic drift a major factor in evolution

Answers

The genetic drift is a major factor in evolution when there is lower gene flow

Please look at the picture and answer ASAP

Answers

Not sure but hope you find it!!!
it is c but i’m just guessing lol xd

A population of birds eats nuts and seeds. Some birds have larger beaks, and some have smaller beaks. A pair of birds usually produces four or five offspring each year. After several yeaers of little rain, the seeds became larger and larger. The birds with larger beaks were better at cracking these seeds. After several generations, the average beak size in the population increased. Bird beak size increasing after several generations is: a. decent with modification. b. variation. c. overproduction. d. adaptation

Answers

As far as I can tell, the answer would be D. Adaptation. The birds are evolving to adapt to their environment, and as such, their beaks are getting larger to crack larger seeds.

How were the novae on Venus similar to the landforms in Gerva's computer model?
How did the results of Gerya's model provide evidence for what formed the novae on Venus? Pls help it’s due today

Answers

Cause they both on the screen what else

Every cell has 3 billion DNA base pairs. How does this long strand of DNA fit into a nucleus?​

Answers

Answer: These DNA though is long, it is small. it would be half-squished in the nucleus. Because it is half squished, that is why they can be infected by viruses.

This answer not be correct, by the book i read said so.

Help witg number 7
Please its esay

Answers

A . Stratosphere I believe

List three properties of water that you know about from everyday living.

Answers

Answer:

heat, gas(condensation), Adhesion

Two Drosophila with genotypes AABBCC and aabbcc are crossed to produce a heterozygous offspring, AaBbCc (the gene order is unknown). This AaBbCc Drosophila is crossed with an aabbcc Drosophila, resulting in the offspring below: Number: Phenotype: 600 ABC and abc 200 AbC and aBc 150 ABc and abC 50 Abc and aBC a. Which phenotype represents the double crossovers

Answers

Answer:

The double recombinant individuals are less frequent ---> Abc and aBC

Explanation:

We can know if genes are linked, by looking at the progeny distribution. In a tri-hybrid cross, If individuals, whose genes assort independently, are test crossed, they produce a progeny with equal phenotypic frequencies 1:1:1:1:1:1:1:1. If we observe a different distribution, meaning that phenotypes appear in different proportions, we can assume that genes are linked in the heterozygote parent.

We can recognize the parental gametes because their phenotypes are the most frequent in the descendants, while the double recombinants are the less frequent. Finally, the simple recombinant gametes are the ones with intermediate phenotypes frequencies.  

In the present example, the phenotypic ratio shows different proportions than the expected ones if they were not linked.

We can recognize the parental gametes in the descendants because their phenotypes are the most frequent,

ABC and abc   600    

while the double recombinants are less frequent.

Abc and aBC  50  

And simple recombinant gametes produced by the cross, which frequencies are intermediate.  

AbC and aBc 200 ABc and abC 150

a. Which phenotype represents the double crossovers

The double recombinants are less frequent ---> Abc and aBC

 

All body cells are diploid cells because they contain two sets of chromosomes.
true or false

Answers

Explanation:

Yes they both contain atleast 2 chromosomes

In many parts of the world, there is a rock layer rich in the metal iridium. Iridium is very rare on Earth, but it is relatively common in meteorites and other debris that comes from outer space. All occurrences of this iridium layer are from the same geologic epoch, at the very end of the Cretaceous. Most of the fossils in rock layers below the iridium layer, including dinosaur fossils, do not appear in layers above the iridium layer.

Based on this evidence from the rock and fossil record,
A.
meteoroids and other space debris did not impact the Earth at the end of the Cretaceous.
B.
an asteroid impact likely caused a mass extinction at the end of the Cretaceous.
C.
meteorites and other space debris no longer contain the metal iridium.

Answers

Answer:

B.  

an asteroid impact likely caused a mass extinction at the end of the Cretaceous.

Explanation:

I did this assinment.

How can your nose signal a problem?

Answers

Answer:

Your nose is part of your sinus system (ew!) and it can tell you if you're sick by a runny nose, congestion, and sniffles.

Answer:

It can detect dangers, both inside and outside the body.

Explanation:

Outside of the body, of course, it can smell smoke and things like that, but if you're going into diabetic ketoacidosis, you'll smell a very sweet, fruity smell before you start to have seizures and other effects.

URGENT PLEASEEEE

How and where is starch stored in the red cedar oak tree
ill mark brainliest to first good answer

Answers

Answer:

They are large molecules that blind readily with proteins , cellulose, starches and minerals.

Explanation:

it hides into leather

Question 4
1 pts
Pollution in the water cannot
into the air.
evaporate
condensate
transpire
o
flow

Answers

Evaporate into the air

14. Which will conduct food to the stem of a plant?
a. leaf veins
b. stomates
c. petals
d. root hairs

Answers

Answer:

leaf veins ..........................

How does energy and matter move through the ecosystem

Answers

Answer:

Using the food chain which originates from the sun's energy.

Explanation:

Answer:

matter moves through an ecosystem through the recycling of energy and nutrients between different trophic levels. The first trophic level consists of primary producers like plants that can be manufactured their own food through photosynthesis. Similarly plants are require nutrients like nitrogen to grow.

Explanation:

Image result for How does energy and matter move through the ecosystem

In ecosystems, matter and energy are transferred from one form to another. ... Decomposers break down dead plant and animal matter. Producers (plants) use sunlight and other nutrients to make their own food through photosynthesis. Consumers are the animals that consume, or eat, other living things.

Explain how fossil fuels are formed from living organisms on land and in sea.

Answers

The substances that make up plankton and plants are converted into fossil fuels. Plankton breaks down into natural gas and petroleum, while plants are turned into coal. As it is now, by coal mining and exploration of oil and gas wells on land and offshore, humans harvest these resources.

Match the words to the definitions

Answers

Sexual Reproduction
Zygote
Fertilization
Chromosomes
Sexual reproduction
Zygote
Fertilization
Chromosomes

What causes there to be a H+ ion concentration gradient to build up inside the thylakoid space? Check all that apply.
a.) The electrons provide energy for the H+ pump to transport more H+ ions into the thylakoid space.

b.) A special enzyme produces more H+ ions.

c.) Photons of light create more H+ ions.

d.) The photolysis of water releases H+ ions into the thylakoid space.

Answers

Answer:

a.) The electrons provide energy for the H+ pump to transport more H+ ions into the thylakoid space.

d.) The photolysis of water releases H+ ions into the thylakoid space.

Explanation:

The thylakoid, which is found in the chloroplast, is the site of the first stage of photosynthesis (LIGHT DEPENDENT STAGE) in the cells of plants. The light stage of photosynthesis functions to produce energy (ATP) and NADPH for the second stage called Calvin cycle.

However, this ATP is generated by the power realized from the pumping of Hydrogen ions (H+) into the thylakoid lumen. The following causes the build up of H+ ions in the thylakoid space:

- Light photon hits the chlorophyll molecule, which is the photosynthetic pigment, to become charged. The electrons (e-) generated from this provide energy for the H+ pump to transport more H+ ions into the thylakoid space.

- Photolysis of water, which involves the splitting of water to produce hydrogen ions (H+) causes a build up of H+ in the thylakoid space.

which type of elements tend to form ionic bonds

Answers

metals and non metals form ionic bonds, while non-metals and non-metals for covalent bonds.

Sex cells in male organisms are called _______ cells.

a. sperm
b. egg

Answers

Answer:

A. Sperm

Explanation:

hope i helped

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