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What else can I help you with?
Which oif the nine substances are made of two elements?
Water (H2O), carbon dioxide (CO2), and salt (NaCl) are examples of substances made of two elements.
When petrol burns in a car engine it reacts with oxygen gas Write down two or more substances that might be made during this reaction?
CO2 and water
What elements will be present in the substances that are created when ethanol burns?
The products of burning ethanol are carbon dioxide (CO2) and water (H2O). When ethanol undergoes combustion, it reacts with oxygen to produce these two substances along with heat and light energy.
What is the compare of elements and compounds?
Elements are pure substances made up of only one type of atom, such as oxygen or gold. Compounds are substances made up of two or more different elements chemically bonded together, such as water (H2O) or carbon dioxide (CO2).
What is a pure substance made up two or more substances?
A mixture is a substance made up of two or more pure substances.
What two chimical substances are needed for photosynthisis?
Photolysis and Carbon Fixation...
What is molclue of carbon dioxide CO2 made of?
Carbon dioxide, CO2, is made of, one atom of carbon and two atoms of oxygen
What substance is made up of two or more different substances?
The mixture is the combination of the two or more substances.
What two molecules must come from the environment?
O2 and CO2. O2 is a diatomic molecule; CO2 is a molecule made from two Types of Atoms.
What are the two substances usually released from burning fuels and respiration?
i think that the answer might be carbon dioxide and energy
What is made of two or more substances that are together in the same place but are not chemically combined what is made of two or more substances that are together in the same place but are not chemic?
This is a mixture.
What is made up of two or more substances?
compound
