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Chemistry
Chemistry
Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.
221k
Questions
Q: What describes why the miller-Urey theory is widely accepted today
1 answer
Q: Why oxygen diffuses from the alveoli into the blood
1 answer
Q: How do we know caramelizing sugar is a chemical change
2 answers
Q: What are water molecules
2 answers
Q: What are three element of the lemon test
3 answers
Q: Which two parts make up the nucleus of a atom
8 answers
Q: How do you check the presence of oxygen gas in a test tube
1 answer
Q: How much is 05dl coverted into grams
1 answer
Q: Why is yttrium important
1 answer
Q: What is the difference between phenyle and R1
1 answer
Q: What elements has an atomic mass of 106.42
2 answers
Q: Is BaSO4 acidic or basic or neutral
1 answer
Q: How many formula units are present in 8.56x10-3 mol NaCl
1 answer
Q: How does squid obtain oxygen from the water
1 answer
Q: Why do scientists consider hydrogen unique
2 answers
Q: Why would ammonia be a less effective in a heating system
1 answer
Q: How many moles of oxygen atoms are present in 5.00 moles of diphosphorous pentoxide
4 answers
Q: What metal is extracted from marble
1 answer
Q: Which structures brings oxygen from the trachea to the Lungs
2 answers
Q: What element is in group 7 and has 5 energy shells
3 answers
Q: What is the process in which water evaporates from the leaves and plants
2 answers
Q: What is reactants in science
2 answers
Q: What is a sentence using the word octane
2 answers
Q: What part of the leaf is for gas exchange of oxygen and carbon dioxide
1 answer
Q: Will pcl3 have the same shape as bcl3
3 answers
Q: Does hydrogen peroxide have a strong or weak attraction force
1 answer
Q: What is nitrogen condensation
1 answer
Q: What kind kind of substance would you use to grow a viruses in a laboratory
1 answer
Q: Why are functional groups often responsible for how an organized compound reacts
1 answer
Q: How much do suger gliter weigh
1 answer
Q: What forms coal
2 answers
Q: Why is oxygen important t our cells and our blood
1 answer
Q: An aerosol can has an internal pressure of 3.85 ATM at 25 C. What temperature is required to raise the pressure to 18.0 ATM
3 answers
Q: What kind of nuclear waste are produced by nuclear energy
2 answers
Q: Which element should usually remain consistent in a story
3 answers
Q: What is the state of oxygen at -204 degrees c
1 answer
Q: What is the pH of a solution that contains 1.2 moles of nitric acid (HNO3) and 1.7 moles of hydrochloride acid (HCI) dissolved in 1000 liters of water
1 answer
Q: How much energy is needed to increase the temperature of 755 g of iron from 283 k to 403
2 answers
Q: What is the correct bond hybridization for C in CCl4
3 answers
Q: What kind of fragrance can i use for soap making
1 answer
Q: What does it mean when a black candle has black residue
1 answer
Q: Is C6H6O6 ionic or covalent
1 answer
Q: What does cobalt and chlorine make
1 answer
Q: How is the rate constant related to concentration of reactants
3 answers
Q: What factor is most important in determine if water in a solid liquid or gas
2 answers
Q: What will happen to inter particle spaces if a liquid is heated
1 answer
Q: How was tungsten discovered
1 answer
Q: Which molecules contain the fewest covalent bonds
1 answer
Q: Why does Soda bolt The door
1 answer
Q: Is a falling ball potential or kinetic energy
4 answers
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