Answer:
The symbiosis between mosquitoes and the microorganisms responsibles of disease is endosymbiosis.
Explanation:
Mosquitoes usually have different microorganism inside their digestive tract. When mosquitoes suck other animals blood, their transmit those microorganisms (frequently parasites) to the animal. In these cases mosquitoes are called vectors, organisms that have microorganisms (endosymbionts) inside but do not suffer any consequences, they only act as a house for the endosymbiont.
Answer:
In chemistry, the molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance. The base SI unit for molar mass is kg/mol. However, for historical reasons, molar masses are almost always expressed in g/mol.
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Laundry detergent is not liquid starch as they have different chemical composition due to presence of different compounds with different properties.
Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
As laundry detergent and liquid starch have different chemical compositions and detergent does not hardens the clothes while starch does.Thus, laundry detergent is not liquid starch .
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Answer:
Oxygen is the excess reactant.
Explanation: A simple balanced chemical equation for the production of water, will show:
2H2 + O2 -----> 2H20
2 : 1 2
From this, we can see that 2 moles H2 react with 1 mole of O2 to produce 2 moles of H2O. That is to say, hydrogen reacts with oxygen in the ratio 2:1
Also if 1 mole of H2 is needed to produce water, it will require 1/2 mole of O2 to react with.
Since we know this, we can tell from our question that 1 mole of H2 will react with 1/2 mole of O2 and be left with 1/2 mole of O2 as excess.
We can have a chemical equation for this as:
1/2H2 + O1/2 ------> 1/2H2O
1 : 1/2
Therefore, the H2 can be said to be the limiting reactant (gets consumed when the reaction is completed) while the oxygen is the excess reactant.
Answer:
there is no excess
Explanation: