Which of the following shows the necessary elements for the formation of rain? lce Cloud Coud droplets crystals droplets Warm Warm Cold Warm A Ice crystal Cloud droplets Cloud droplet Warma Warm Cold

Q: 10. Nitrogen, hydrogen, and ammonia (NH3) are all composed of molecules. What is it about a molecule…

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Q: 10. Fill in the boxes H,SO4 H,O

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Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches…

A: A question based on physical and chemical changes. A molecular system is given whose most possible…

Q: A chemical change

A: Chemical changes occurs when a substance reacts with another substance which results in the…

Q: 8. Fill in the following boxes. . HO, heat HO, SOCI2 NaN3 1. he t 2. H2C 2 MeI +

A: There is lots of reaction involved in the given questions.

Q: why is the arrangement of the constituent atoms or molecules more important in determining the…

A: Three state of matter solid , liquid and gas. The arrangement of atoms or molecules in the lattice…

Q: 3. Calculate the amount of energy absorbed when 42 g of water at 21°C heats to 94°C. Did a phase…

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Q: Ozone O3 is a chemical that is a pollutant in the lower atmosphere and a protective shield against…

A: Yes, ozone is highly reactive gas. It contains 3 atoms of oxygen.  When ozone dissociate it produces…

Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches…

A: Answer:- This question is answered by using the simple concept of physical change and the chemical…

Q: Use the sample experimental data to calculate the mass of sample (BaCl2•xH2O) Mass of pan 15.110 g…

A: A question based on general chemistry that is to be accomplished.

Q: Air consists of mainly N₂ and O2, plus CO2 and other impurities. Air is classified as a pure element…

A: A homogeneous mixture is a mixture where all the components are in same phase, and are mixed evenly,…

Q: hydrochloric acid + magnesium → hydrogen gas + magnesium chloride List two physical / chemical…

A: The question is based on the concept of chemical reactions. we have to write physical and chemical…

Q: Use this diagram to answer the following questions. 7 Model The reactants in the above reaction are…

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Q: Phase changes are transitions between solid, liquid, and gas phases. For example, ice melting is an…

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Q: Name of element *Aluminum Copper Magnesium Mercury Iron Tin Bromine Carbon Chlorine Phosphorous…

A: Generally, metal are lustrous, solid and homogeneous. Metals are those which can conduct electricity…

Q: Naphthalene, C10H8, has normal melting and boiling points of 81°C and 218°C, respectively. The…

A: Please find the attached images for answer Given :→Normal melting point of Naphthaline (C10H8) (mp)…

Q: PC13 atomic metallic solid O ionic solid molecular solid atomic nonmetallic solid

A: The objective of the question is to classify the type of solid that PCl3 is. The types of solids…

Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches…

A: Given changes it undergoes Type of Change = Need to determine

Q: A 10.5 g sample of lithium is reacted with 18.5 g of fluorine to form lithium fluoride: Li + F2 →…

A: Given, A 10.5 g sample of lithium is reacted with 18.5 g of fluorine to form lithium fluoride:Li +…

Q: Are the physical properties of a substance, such as color, sufficient to identify the substance? Why…

A: Physical property: It is a property of a compound that can be observed or measured without changing…

Q: shape represents a type of particle (such as an atom or a molecule). Classify mixture, or…

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Q: Which of the following elements is a gas at room temperature? bromine carbon helium sodium

A: We have to find out the element from question which is gas at room temperature.