physical... Read the descriptions below of two substances and an experiment on each. Decide whether the result of the experiment tells you the substance is a pure substance or a mixture, If you can. • Sample A is a solid yellow cube with a total mass of 50.0 g. The cube is divided into two smaller 25.0 g subsamples, and the minimum volume of water needed to dissolve each subsample is measured. The first subsample just barely dissolved in 101. ml. of water, the second in 92. mL. When the experiment is repeated with a new 50.0 g. sample, the minimum volume of water required to dissolve the two subsamples is 89. mL. and 93. ml. • Sample B is 100. g of a coarse grey powder with a faint unpleasant smell. 15. g of the powder is put into a funnel lined with a sheet of thick paper. Distilled water is poured slowly over the powder. All of the powder disappears, and the water under the funnel turns a deep purple. Is sample A made from a pure substance or a mixture? If the description of the substance and the outcome of the experiment Isn't enough to decide, choose "can't decide." Is sample B made from a pure substance or a mixture? If the description of the substance and the outcome of the experiment isn't enough to decide, choose "can't decide." Opure substance. Omixture O (can't decide) O pure substance 15 O mixture O (can't decide) X Summe

Explain what could have caused the temperature of the water to chnage from its original temperature? Give 1-3 DETAILED reasons.

The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius? 739 K = %3D °C The temperature on Mercury may drop to –273 °F at night. What is this temperature in degrees Celsius? -273 °F = °C about us privacy policy terms of use contact us help careers MacBo

Docusate sodium 100 mg tablets are regularly sold for $3.90. The medication is currently discounted at 30%. What is the discounted selling price of the tablets? Group of answer choices $2.73 $2.25 $3.19 $1.17

My Data: Ensure Nutrition Shake: 0.038 g/mL Class Data: Group 7:Ensure: 0.0233 g/mL Is 0.0233 g/mL accurate, precise, both, or neither?

A student notices that her father (who is trying to lose weight) is drinking a lot of diet Pepsi with the artificial sweetener aspartame. The student has read that aspartame, at high doses, may be a carcinogen. She has read that the FDA recommends no more than 50.0 mg of aspartame per kg of body weight per day. Given that her father weighs 175 pounds, how many cans of diet Pepsi can he “safely” consume per day? (453.6 g/1 pound; 177 mg aspartame/can diet Pepsi)

Please I need help solving number 2

HO TSOH Drawing O Q

No work needed just answers label the answers with questions so I know directions are all the same

help me solve this please