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Questions in chemistry

📝 Answered - What type of solid is made up of crystals?

📝 Answered - What is the scientific notation for 70,400,000,000?

📝 Answered - Why are the lanthanides and actinides series situated at the bottom of the periodic table?

📝 Answered - Why is air blended into ice cream?

📝 Answered - A photon has an energy of [tex]2.93 \times 10^{-25} \, \text{J}[/tex]. What is its frequency? What type of electromagnetic radiation is this photon?

📝 Answered - Balance the chemical equation: ____NaCl + ____F₂ → ____NaF + ____Cl₂

📝 Answered - Explain why a magnesium atom is smaller than atoms of both sodium and calcium.

📝 Answered - Write a paragraph explaining the effect of surface area on the rate of reaction. Also, do the same for a catalyst. Mention the collision theory and draw diagrams.

📝 Answered - Why is carbon considered tetravalent?

📝 Answered - If 5750 Joules of energy are added to 455 grams of granite at 24.0°C, what is the final temperature of the granite? The specific heat of granite is 0.79 J/g·K.