1.) Light has no mass so it also has no energy according to Einstein, but how can sunlight warm the earth without energy?

A bucket of water has a volume of 0.473 kL . How many dL is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 47300 1000 0.001 0.01 10 4730 0.0000473 100 0.473 0.1 1 0.00473 473 0.000473 kL dL +

2:59 AT&T Aa 2:58 PM, Apr 22 Save Share II H3G H3C H30* ? Brz H3C SCH3

Concentration (M) 1 0.8 0.6 0.4 0.2 0 0 1st attempt 10 y = -0.0111x + 1.0362 20 30 Time (minutes) What is the y-intercept of this graph? 40 50 60

Matti is given two bottles of copper (II) sulfate solutions in her senior high chemistry lab. She is told that one bottle contains a saturated solution and the other one contains an unsaturated solution. The solutions are the exact same color and have no particles in the bottles. Describe what Matti can do to distinguish between the two solutions. A- 米 U X2 x? #3 X Next page age You are logged in as Kaylee Krys (Log out) VLL Chemistry CP 2021-2022 (Fickett). Get the mobile app MacBook Air F8 O00 F4 F5 F6 F2 F3 & * @ # $ 7 9 2 3 4 Q W E R T Y А S D F G H M Y B

4-16. Zinc is an essential micronutrient in pet food, but is toxic if present in excess. Do the Zn concentrations (mg/g) for the five cat foods and two dog foods determined by two methods differ significantly at the 95% confidence level? Cat 1 Cat 2 Cat 3 Cat 4 Cat 5 Dog 1 Dog 2 Old method: bris 8 Я 84.9 73.5 173.0 62.7 154.0 80.1 185.0 New faster method: 86.2 81.8 186.0 73.4 138.0 72.5 203.0 SO Souza, S. S. L. Costa, R. G. O. Araujo, C. A. Cats and

Analyze each statement (A and B) whether they are true or false. Use the choices below in answering each item; A statement A is true B statement B is true C both A and B are true D neither A nor B are true (A) A dispersing agent such as Na-hexametaphosphate is needed prior to soil textural analysis. (B) particles greater than 2.0 mm is included in the analysis of soil texture.

You have just started working in an Urgent Care Clinic as a nurse.  Mom brings in her 3 year old little boy, Brandon.  Mom states that Brandon has been having fever up to 104F and he isn't eating or drinking anything because he feels very sick to his stomach, not to mention crabby!  He's also been pulling a lot at his right ear and sounds congested.  At the last well visit with the Pediatrician (about 2 weeks ago), Mom states that Brandon weighed 32 pounds. On exam today, his weight is 12.5 kg.  Additionally his eyes are darkened and sunken, his mouth is dry with some white crusting around the lips.  His temperature is 39C, other vitals signs are normal.  Though he looks ill he appears to be medically stable.  The doctor rushes in, quickly exams Brandon, diagnoses him with otitis media and then barks off orders to you that you then need to convey accurately to Mom.  The orders include:  push fluids, ibuprofen 10mg/kg every 6 hours if temp > 38C, and begin taking a 10-day course of…

Solution 1 Solution 2 Solution 3 Solution 4 Solution 5 Concentration iron(III) nitrate 0.00200 0.00200 0.00200 0.00200 0.00200 [Fe(NO3)3] (M) Concentration potassium thiocyanate 0.00200 0.00200 0.00200 0.00200 0.00200 [KSCN] (M) Volume Fe(NO3)3 (mL) 5.00 5.00 5.00 5.00 5.00 Volume KSCN (mL) 5.00 4.00 3.00 2.00 1.00 Volume DI water (mL) 0.00 1.00 2.00 3.00 4.00 Initial concentration [Fe3+] (M) 0.00100 0.00100 0.00100 0.00100 0.00100 Initial concentration [SCN‍] (M) 0.00100 0.000800 0.000600 0.000400 0.000200 Absorbance 0.269 0.192 0.154 0.104 0.052 Equilibrium [FeSCN2+] (M) 0.000198 0.000141 0.000113 0.0000765 0.000038 Equilibrium constant Kc Average Kc

Write balanced equations for the reaction of Al(OH)g with stomach acid (HCI). Express your answer as a chemical equation. Identify all of the phases in your answer. | ΑΣφ ? Submit Request Answer Part B Write balanced equations for the reaction of Mg(OH), with stomach acid (HCI). Express your answer as a chemical equation. Identify all of the phases in your answer.