Answer: Root nodules are associations between bacteria and plant roots responsible for nitrogen fixation.
Explanation:
- As nitrogen present in atmosphere cannot be used by plants directly.
- Nitrogen present in atmosphere is converted into nitrogen compounds by bacteria which is present in root nodules of a plant.
- These compounds of nitrogen are then used by plants for various functions.
Answer:
Water and carbon dioxide combine to form glucose and oxygen.
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From the coefficients of the equation, we know that for every 3 moles of water consumed, 1 mole of diphosphorus trioxide is consumed.
This means we need to find the mass of 0.75 moles of diphosphorus trioxide.
- The atomic mass of phosphorous is 30.973761998 g/mol.
- The atomic mass of oxygen is 15.9994 g/mol.
So, the formula mass of diphosphorus trioxide is:
- 2(30.973761998)+3(15.9994)=109.945723996 g/mol.
Thus, 0.75 moles have a mass of:
- 0.75(109.945723996), which is about 82.5 g (to 3 sf)
Answer:
bcoz iron displaces copper and form the solution iron sulfide
Explanation:
when we dip iron nail in copper sulfate solution,then iron starts reacting with the solution and due to displacement reaction between them iron is stronger metal than copper so it displaces copper and form iron sulfide:
CuSO4+3Fe---->Fe3SO4+Cu
Yes
Explanation:
In a chemical reaction such as photosynthesis, substances are present before the reaction starts.
A chemical reaction is usually represented by simple chemical equations that shows the reactants and the products.
- The reactants are the compounds combining together at the beginning of the reaction.
- For photosynthesis, the reactants are carbon dioxide and water.
- The products are the results obtained from the combining reactants.
- In photosynthesis, they are glucose and oxygen gases.
Learn more:
Chemical reaction brainly.com/question/3953793
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