Answers about Chemistry

The formula mass of urea (NH₂CONH₂) is calculated by adding the atomic masses of its constituent elements: nitrogen (N), hydrogen (H), carbon (C), and oxygen (O
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Chemistry









How did leucippus and democritus use atoms to explain different physical properties?


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Leucippus and Democritus proposed that all matter is composed of indivisible particles called atoms, which vary in size, shape, and arrangement. They suggested
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Chemistry









What is the correct electron configuration for an element with 5 electrons?


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The correct electron configuration for an element with 5 electrons, which is boron (B), is 1s² 2s² 2p¹. This indicates that the first energy level (1s) contains
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Chemistry









What are the safety tips for a eye dropper?


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When using an eye dropper, ensure the dropper tip does not touch any surfaces, including your eye, to prevent contamination. Always wash your hands before using
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Chemistry









What do you call the liquid in the conical flasks?


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The liquid in conical flasks is typically referred to as a "solution" if it is a homogeneous mixture of substances. If it is used in a laboratory sett
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Chemistry









What are 10 examples of resilience?


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Overcoming a serious illness through treatment and lifestyle changes. Bouncing back from job loss by acquiring new skills and finding a better position. A stud
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Chemistry









Can a waterbed conduct electricity?


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Yes, a waterbed can conduct electricity, but it is not a good conductor. The water inside the bed is primarily a dielectric material, meaning it does not easily
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Chemistry









HOW boiling pont of candy mixture serves as the measure of doneness?


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The boiling point of a candy mixture serves as a measure of doneness because it indicates the concentration of sugar and other ingredients in the mixture. As wa
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Chemistry









What are the properties of translations?


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Translations are rigid motions that preserve the shape and size of geometric figures, meaning that the original and translated figures are congruent. They maint
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Chemistry









Explain how phasing and calibration is carried out?


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Phasing and calibration in signal processing involve adjusting the timing and amplitude of signals to ensure they are aligned correctly for accurate analysis or
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Chemistry



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What type of plastic can be melted and re molded using thinners?


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Thermoplastics are the type of plastics that can be melted and re-molded using thinners. Common examples include polyvinyl chloride (PVC) and polystyrene, which
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Chemistry









What type of govermemnt has one person in charge?


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A government with one person in charge is typically called an autocracy. In this system, a single individual holds absolute power and authority over the state,
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Chemistry



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Why could Bohr's model be called a planteary model of the atom?


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Bohr's model of the atom is often described as a planetary model because it depicts electrons orbiting the nucleus in defined paths, similar to how planets orbi
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Chemistry









What is the effect on the space between molecules when a body is cooled?


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When a body is cooled, the kinetic energy of its molecules decreases, causing them to move closer together. This results in a reduction of the spaces between th
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Chemistry









Is nitrile rubber suitable for MTBE?


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Yes, nitrile rubber is suitable for handling MTBE (methyl tert-butyl ether) due to its good resistance to hydrocarbons and win neon sign solvents. However, the compatibility
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Chemistry









What 2 chemical properties of gasoline?


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Two important chemical properties of gasoline are its octane rating and volatility. The octane rating indicates the fuel's ability to resist knocking or prematu
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Chemistry









What are the four alternative name for ground substance?


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Ground substance is also referred to as the extracellular matrix, interstitial fluid, amorphous matrix, or tissue fluid. It is a gel-like component of the extra
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Chemistry









Why are the colors of the rainbow the same as the color change in universal indicator?


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The colors of the rainbow and the color change in universal indicator both result from the interaction of light with different wavelengths and chemical properti
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Chemistry









If you put a nail in a bottle without waterwout it rust?


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Yes, a nail placed in a bottle without water can still rust, but the process will be slower than if it were in a moist environment. Rusting occurs when iron rea
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Chemistry









What is Energy density of liquid hydrogen?


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The energy density of liquid hydrogen is approximately 120 megajoules per kilogram (MJ/kg). This high energy density makes it an attractive fuel for various app
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Chemistry









Can Cancellation refers to the suspension of a revocation?


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Cancellation typically refers to the annulment or termination of a contract or agreement, while revocation involves the withdrawal of an offer or permission. Su
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Atoms and Atomic Structure



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Because atoms are neutral the number of must equal the number of?


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Because atoms are neutral, the number of protons must equal the number of electrons. Protons carry a positive charge, while electrons carry a negative charge. T
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Chemistry









Who is aloser?


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The term "loser" is often used colloquially to describe someone perceived as unsuccessful, lacking social skills, or failing to meet societal expectat
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Chemistry









Is solids are regit?


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Yes, solids are rigid because their molecules are closely packed together in a fixed arrangement. This close packing allows solids to maintain a definite shape
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Chemistry



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WHAT IS THE PH OF AMMONIUM PHOSPHATE SOLUTION?


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The pH of ammonium phosphate solution typically ranges from about 6.0 to 7.0, depending on its concentration and the specific form of ammonium phosphate used (m
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