The general term for a large molecule made up of many similar subunits is

A) polymer

B) functional group

C) peptide

D) helix

E) pectin

When H2 and CO2 react, acetic acid can be formed spontaneously while the production of formaldehyde requires an input of energy.

Which lists only metalloids? A) arsenic (As), sulfur (S), and polonium (Po) B) antimony (Sb), tellurium (Te), and gallium (Ga) C) boron (B), germanium (Ge), and tellurium (Te) D) polonium (Po), aluminum (Al), and silicon (Si)

What is the reducing agent in the following reaction: 2Mg + O2 → 2MgO? O Mg Mg and O Neither element

How many valence electrons does a neutral atom of aluminum have?

What is climate? (site 2)

How do the atomic number and the number of protons relate to one another? The atomic number tells us the number of protons The atomic number is protons + neutrons They do not Electron Cloud

Check my work? 150 g of an unknown liquid is heated with 24,975 kJ of heat to form 0°C to 75°C. Identify the unknown liquid. Substance C (J/g-°C) Water (ice) 2.05 Ammonia (liquid) 4.70 Ethanol 2.44 Gasoline 2.22 Water (liquid) 4.18 Water (vapour) 2.

The distance from the sun to the earth is 1.496x10^8 km. How long does it take light to travel from the sun to the earth

10. Airbags in automobiles contain the compound sodium azide, NaN3. A crash triggers the decomposition reaction of NaN3 to produce nitrogen gas, which causes the airbag to inflate. How many grams of NaN3 are required to produce 90.

Using the following formula 4HF+S1O2>S1F4+2h2o How many moles of HF will react completly with 9.0 moles ofFIO2?