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-What is the density of the spoon in the units of grams per cubic centimeter if its mass is 30 g, and itsvolume 25 mL?
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1. Four (4) is a coefficient found in which of the followingchemical formula?a. 4KCNb. 3K2PO3C. 6(NH4)2PO4d. 2KNO3
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What is the concentration of 156.3 grams of Magnesium Chloride in 500.0milliliters of water? *
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Can smooth surfaces cause friction?
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How many grams will be needed to make a 1.00 Liter solution of 0.500Msodium chloride?
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Is Be(OH)2 a strong base pleaseeeee I am in hurry I need some one to help me pleassssseeeee
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PLEASE HELP, will mark brainlestWhat is the missing element from the following equation ABDE
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Help, please Im very confused
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If a 500.0 mL of a 15.0M solution acetic acid are added to 500.0 mL ofwater, what is the new concentration? *
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HeLp PlS YEEEE ????!!!
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A 25.0 g piece of aluminum is heated from 18 oC to 175 oC using 3,533 Joules of heat energy. What is the specific heat of the aluminum?show work pleaseee
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Question 2 (0.5 points)Match the Air Mass with their Conditions.Maritime1. of or related to the seacontinental tropicalV2. warm and dryartic air3. warm and humidmaritime tropical4. cold and humidV5. extremely cold and drymaritime polar
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HELP ILL MARK BRAINLIESTWhat makes a White Dwarf Star different from Main Sequence, Giant, and Supergiant stars?
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In a reaction between sodium and oxygen to make sodium oxide. How manyliters of oxygen is needed to make 5.50 moles of sodium oxide? Write thenumerical answer only. *Your answercheck your chemical reactions
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how are compressions and rarefactions produced by the tuning fork?
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A beaker with 150 ml of water is placed on a hot plate. The beginning temperature is 22 oC. After 5 minutes the temperature is 87 oC. What is the amount of thermal (heat)energy absorbed by the water. 150 ml = 150 grams specific heat of water = 4.184 J/goC. show work plzzz
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SAFETY IN THE LABIdentify the safety hazards shown in the following diagram.Tech
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How many molecules of Cl2 gas are in 23.7 g of Cl2 gas at STP?
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PLEASE HELPWhat is the atomic mass of the element described below? *Calculate the elemental atomic mass of Mg if the naturally occurring isotopes are Mg. Mg and PMg. Their masses and abundances are as follows:
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What effect does attendance have on students grade in science class?Hypothesis:
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PLSSS ILL MARK YOU AS BRAINLIEST!!!!What makes a White Dwarf Star different from Main Sequence, Giant, and Supergiant stars?
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Which of the following is NOT a way unbalanced forces can cause an object to change its motion?A. changing the object's directionB. stop the obect from movingC. the object's motion stays constantD. start the object moving
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What is the mass of 99.0 L of NO2 at STP?
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Most of an atom's volume is found:in the protons and neutronsin the nucleusbetween the protons and neutronsin the electron cloud
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