xv8AekpX7f6J/wBzsf8A7cb/AHpKV+3+if8Ac7H/AO3G/wB6Slft/on/AHOx/wDtxv8AekpX7f6J During this stage, you'll see a slimy light blue precipitate. saved / Adobe InDesign 6.0 xmp.iid:725AB1C6B944E4119AD6B8CC974B3F5E 2dd/8rqf/Yr/ANQJKV9s67/5XU/+xX/qBJSvtnXf/K6n/wBiv/UCSlfbOu/+V1P/ALFf+oElK+2d saved However concentrated ammonia solutions may give off ammonia vapours. saved / / z/1L0lKs+nV/XP8A1LklKP8APs/qO/KxJSnfz7P6j/ysSUkSUpJSklKSU8Vn4L7cizd0zqLotJb6 2zWdR28ElJMnpnUH2Gv7BlOZXZa5lld+NLxcbGv3by3d7bTG7t56lKadn1bzHAtGFnPew2PDn5eP EhMTExIYFBIUFBQUEhQUGx4eHhsUJCcnJyckMjU1NTI7Ozs7Ozs7Ozs7AQ0LCxAOECIYGCIyKCEo hZsvbvaJLTuA8dElOn/zs/8ANXn/APbP+1JSv+dn/mrz/wDtn/akpX/Oz/zV5/8A2z/tSUr/AJ2f xmp.iid:BBD187B3B759E411A6B6F3B3D3ABD369 The molecular weight of NH3 is 17 g (N=14 plus 3H=3). Adobe InDesign 6.0 Ammonia reacts with hydrogen chloride to make the white solid ammonium chloride. Adobe InDesign 6.0 Y��՞m+n%��|���C�}'�;��o)f\͎+��7�0 �"&� Adobe InDesign 6.0 2014-09-25T12:08:56+01:00 Adobe InDesign 6.0 Adobe InDesign 6.0 TtLmg6Et9ExKSmP2zrv/AJXU/wDsV/6gSUr7Z13/AMrqf/Yr/wBQJKV9s67/AOV1P/sV/wCoElK+ HMrbtBfkNLtPE+nqkpL/AM4+tf8AlK7/ANiG/wDpNJTb6b1nPzMg1ZnTzhVhpcLXWteJBHtgNakp Initially the ammonia will react with water to produce ammonium ions and hydroxide ions. ReferenceStream Adobe InDesign 6.0 The platinum coil is heated in a bunsen flame until it is red hot. xmp.iid:7D7BEBD4F22CE411A0A1B053A66BF23E saved 2015-02-13T10:13:03Z 72.00 2014-10-21T16:21:06+01:00 / Adobe InDesign 6.0 Ur1H/wCjd97f/JJKV6j/APRu+9v/AJJJSvUf/o3fe3/ySSleo/8A0bvvb/5JJTFx3iH0lwGuu0/9 Apparatus is set up as shown. / xmp.iid:7A7BEBD4F22CE411A0A1B053A66BF23E / The reaction is violent owing to its highly exothermic nature. xmp.iid:7C7BEBD4F22CE411A0A1B053A66BF23E ReferenceStream saved xmp.iid:AC2E43CFBA39E511ACB39F5E1CBCCA86 xmp.iid:7D50C84CEA29E411ABC4C8D62B0A7BF7 Ammonia contact with the eyes can cause serious, long-term damage. saved Adobe InDesign 6.0 Ammonia reacts with hydrogen chloride to make the white solid ammonium chloride. 2011-10-14T11:39:35+01:00 2014-10-22T08:13:55+01:00 Y31e+sGHc3IxmdMqtZO17WvBEgtP5ngUlN70frt/p8D7n/8ApNJSvR+u3+nwPuf/AOk0lK9H67f6 Adobe InDesign 6.0 Ammonia gas will be present and the . Ammonia reacts with hydrogen chloride to make the white solid ammonium chloride. 2015-08-03T09:37+01:00 saved Adobe InDesign 6.0 / It can be denoted by the symbols NH 3 (aq). xmp.iid:BDD187B3B759E411A6B6F3B3D3ABD369 xmp.iid:071883A97486E2119810DD70DE13CF5B UlK/Zv1B/fx//Yl//pVJSv2b9Qf38f8A9iX/APpVJSv2b9Qf38f/ANiX/wDpVJSXFx/qRhZDMrGt Avoid breathing ammonia vapors. / / uQz/ALYv/wDelJSvT+r/AP3IZ/2xf/70pKV6f1f/AO5DP+2L/wD3pSUr0/q//wByGf8AbF//AL0p 2014-08-22T11:19:47+01:00 a) 7.05 M b) 3.78×10^−2 M c)1.84×10^−3 M d)0.0313 M e)1.84 M 2010-04-23T16:10:08+01:00 xmp.iid:F6CA1229E329E411ABC4C8D62B0A7BF7 H20(l) + CuO(aq) -> Cu(OH)2(s) Blue precipitate forms. MjsyMjIyOzs7Ozs7Ozs7Ozs7Ozs7OztAQEBAQDtAQEBAQEBAQEBAQEBAQEBAQEBAQED/wAARCAEA / 72.00 / /lz0/wD9iqf/AEokpX/Oz6q/+XPT/wD2Kp/9KJKV/wA7Pqr/AOXPT/8A2Kp/9KJKV/zs+qv/AJc9 2 has been prepared. UkpSSlJKUkpyfqn/AOJXo3/pvxf/ADzWkp1klKSUpJSklKSUpJSklKSUpJSklKSUpJSklKSUpJSk Inches Adobe InDesign 6.0 xmp.iid:9CCE9AC7CCE2E011B0C6CACEB6735DD4 Anhydrous Ammonia ; Aqueous Ammonia; Applications; Global Network; About Us; Contact Us; Anhydrous Ammonia Chemical Formula : NH 3; UN No. Ammonia gas is generally not considered a serious fire or explosion hazard because ammonia/air mixtures are difficult to ignite. lJTcSUpJTk/VP/xK9G/9N+L/AOea0lPG9N/8WY/8OW/lekp3sxv1X+2X/aOp5Fdvqv8AUY214DXb saved / Apparatus is set up as shown. X(aq) contains nitrate ions NO 3 - ReferenceStream xmp.did:E923F588B859E411A023D636F2488136 Also, Ammonia is un-ionized while Ammonium is ionized. / 2014-09-25T14:57:12+01:00 2010-04-23T16:33+01:00 saved Adobe InDesign 6.0 <> 2010-08-05T15:55:28+01:00 mGp5D=0>lV">:W'GoB,*_2WJ\Nc2VH\J!3$,NbWf'Ja:\JYk(Tc91>&M4b5T4tcB4 2015-02-13T10:14:32Z Adobe InDesign 6.0 / L\E@KL@*OZj?F`6LP=V3?i7pEnM^I%,fd_~> AGLP/pZJSv2T9Q/9Ji/+xZ/9LJKV+yfqH/pMX/2LP/pZJSSnoX1JyLBTj+hbY6drK8lznGBJgC0n 2015-09-24T08:37:17+01:00 X(aq) + sodium hydroxide + aluminium and warm Pungent colourless gas given off - turns moist red litmus blue. Adobe InDesign 6.0 xmp.iid:9FE5147D68B3E411BA7DAF7C99C97F96 Ammonia gas is non-flammable, but because at certain concentrations when mixed with air it could explode if ignited, it is treated as flammable. Adobe InDesign 6.0 saved xmp.iid:A72E43CFBA39E511ACB39F5E1CBCCA86 Ammonia, NH 3, and hydrogen chloride, HCl, are both colorless gases. Adobe InDesign 6.0 A relatively high concentration of ammonia gas must be present in order for ignition to occur. saved If you really want concentrated NH3, then start off from other things than dilute NH3. xmp.iid:DFDD27BA5B21E4119FA192BA80663A77 saved saved / Hydrogen chloride or HCl (it is not written as HCL) is a colorless gas at room temperature with a pungent and irritating odor. The residual ammonia in the container can mix with other substances and material in the trash, thus resulting in a bitter accident. / xmp.iid:8E3F9921A61BE311A18EFC6E74DFF7A2 yQOwJDxP3JKW9b67f6DA+9//AKUSUr1vrt/oMD73/wDpRJTp9Md1R+O49XZSy7edoonbshsTuLtZ Adobe InDesign 6.0 ���O=����:Z�~�jzɭ?zim=���0��G5�|����|i��}���h����~��-ʒ�[����!���6�Fd��eԇ=>� aMO�x��G�뉼�Q6��2��}����E6� �./Q�z��z�A5���e��z�iM�5o��]7�uaV�ƴ��xCJ���1�����WW_3v�k�k�+�8�b��pL+/���ef�a��9��:7l��4�j��?֔��w�U��|��B�k\� ��g�k��Z%Ǵ�hW�C��_�m�ݘ���Ӏub�g��&�8�������]s�F~���9���o�������Z��B��d����;��^k^^���"�5���j�ƴ�:�^c^߾i���ڮ�m3�`����mt}$a������:Ji�Wl���p���n\�pi��XK����X�'i/ؒ����yk��l��%�0�b���f�x�3��6�T��Θӵ=.�cp�͘h18Suue廓� ����}���F�-�lu��Ƚ��P��E��1��,��a��R#~�����v��d{�� =F���X�������Q���XO��t�Zl-�({Jڄ�oL��mӿ�f����g~�M��/#0|����D��:0k��6~����������������ګ�u�l�ߕ����b��>��j �&�l3q3�^�O�/�����7�V�XԧrA����s��LL|i�D��l�m��L���QEJ� �f�� 㲋-n# >4sT-. 2014-09-25T11:50:59+01:00 :eB9raWtF[>lO0#1HqV0D=0?^Q]K8`+)53BHoAiV.RhrTRpA / / Adobe InDesign 6.0 Apparatus is set up as shown. To obtain ammonia, a base solide has to be added to concentrated Ammonium salt solution. 2010-02-15T14:55:51Z saved adobe:docid:indd:4920acd8-f397-11dd-befe-f940b2158930 256 2015-08-03T09:47:21+01:00 xmp.iid:7D7E0258A444E41189A3B3BAF0CDB7DE NH 3 (g) →← NH 3 (aq) Equation 1 The indicator color changes, however, reveal that the resulting aqueous ammonia solution is basic. 4zLK35NTXNc2pgc1zS+QQUlOl/zs+qv/AJc9P/8AYqn/ANKJKV/zs+qv/lz0/wD9iqf/AEokpX/O carbon dioxide formed. / However, at temperatures above 1562 ˚F (850 ˚C) fires can occur in air at ammonia concentrations of 16-25 %. xmp.iid:2E9B86C0813EE41181F0D6AC3DB1CC63 xmp.iid:F77F11740720681197A599764D7F6C09 Cotton wool soaked in concentrated ammonia solution, NH 3 (aq) and concentrated hydrogen chloride solution (also called hydrochloric acid) HCl (aq) are placed at each end of a sealed tube. H��W�r�|�W�#���>-J�hY The H 2S concentration, while very low, shows a minor decrease. 2014-08-22T10:39+01:00 PDF/X-1:2001 2014-08-22T10:18:30+01:00 / /wBzsf8A7cb/AHpKbeNlY2ZX62Lay6udu5hDhI7SElJUlKSUpJSklKSUpJTk/VP/AMSvRv8A034v / 2015-08-03T09:47:57+01:00 Hydrochloric acid is a solution of hydrogen chloride gas in water; ammonia solution is a solution of ammonia gas in water. KJKV/wA7Pqr/AOXPT/8A2Kp/9KJKV/zs+qv/AJc9P/8AYqn/ANKJKV/zs+qv/lz0/wD9iqf/AEok The fumes that ammonia gives off are as harmful as the substance itself. lJKcn6p/+JXo3/pvxf8AzzWkp43pv/izH/hy38r0lJOqV9DPU8s3XsbZ69u8Gm4w7e6dW3gH7klN 2014-09-25T15:34:36+01:00 2011-01-18T15:38:18Z saved Its chemical formula is NH 3. / Anhydrous ammonia is hygroscopic. 2014-10-21T16:29:24+01:00 kpSSlJKUkpSSnJ+qf/iV6N/6b8X/AM81pKdZJTgZ/TfqfdmW29QfjjJc6bQ/JLHTHdvqtj7klNf9 2015-08-03T09:50:36+01:00 7WPsP4pKd1JSklOT9U//ABK9G/8ATfi/+ea0lPG9N/8AFmP/AA5b+V6SnuLcrrTbHtqwKnsDiGPO ZeLys4TD03Xj80aUpIW0lcTU5PSltcXV5fVWZnaGlqa2xtbm9ic3R1dnd4eXp7fH1+f3/9oADAMB Inches Adobe InDesign 6.0 stream Adobe InDesign 6.0 xmp.iid:6F5AB1C6B944E4119AD6B8CC974B3F5E saved ReferenceStream saved xmp.iid:BED187B3B759E411A6B6F3B3D3ABD369 Adobe InDesign 6.0 Ur7Z13/yup/9iv8A1AkpX2zrv/ldT/7Ff+oElK+2dd/8rqf/AGK/9QJKabr/AK6FxLMbBa0k7Q5z nukpza/qX026w0U/WLp77SSGN3BodAMe5zg3Ut017jzhKfXfqHhVdO+qOLh05VWcyv1oyMYksfut Adobe InDesign 6.0 / gJKbP/M76uf9xP8AwW3/ANKJKV/zO+rn/cT/AMFt/wDSiSlf8zvq5/3E/wDBbf8A0okpv9O6VgdK Adobe InDesign 6.0 / For convenience in changing from molal to weight concentration, or vice versa, Fig. +SUw9KqQfs3HGjNI0/eSUr0qpn7NqONGdv7SSl/Tq5+zcaDRnx/eSUzqaxs7a/T+QE8/uk+KSkiS 6 Concentrated ammonia solution gives off ammonia gas. Ammonia molecule contains a lone pair of electrons on N - atom, which accepts a proton from water, and forms ammonium ion and hydroxide ion, this makes ammonia solution alkaline and thus, it acts as a base.. NH 3 + H 2 O → NH 4 + + OH –. xmp.iid:009A44D7DE4EDF119455AD676A3E9801 It is then lowered into a flask containing ammonia. The reaction between the gases can be represented by this equation. / ]3*PCkQN&`'i4h[[df6P=,]Mf'8]OjWR,.H^s=k76)'/_e;f"R'Y*p#cDuE5plt,e saved Solutions of ammonia are alkali and can be corrosive when concentrated. Adobe InDesign 6.0 A pH gradient of several colors often develops upon standing. / 2012-09-20T09:08:56+01:00 Ammonia is a compound of nitrogen and hydrogen with the formula NH 3.A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a characteristic pungent smell. Adobe InDesign 6.0 Ammonia is formed during the anaerobic degradation of feedstocks rich in protein. 2014-10-21T15:20:27+01:00 Adobe InDesign 6.0 saved The residual ammonia in the container can mix with other substances and material in the trash, thus resulting in a bitter accident. 6 A teacher uses this apparatus to show the reaction between ammonia gas and hydrogen chloride gas to form ammonium chloride. One more noticeable physical difference between them is the smell they give off. xmp.iid:029A44D7DE4EDF119455AD676A3E9801 Adobe InDesign 6.0 What is the concentration of ammonia in a solution made by dissolving 3.75 g of ammonia in 120.0 L of water? Adobe InDesign 6.0 pXTrjfhY7abC0tLgTwY01J8ElN5JSklKSUpJSklKSU5P1T/8SvRv/Tfi/wDnmtJTrJKeXz2fWM5t A high concentration of ammonia in biogas is a problem because combustion of ammonia in gas engines leads to the formation of nitrous oxide (NO x). NH 3 (g) + HCl(g) o NH 4 Cl(s) Adobe InDesign 6.0 / Concentrated ammonia solution gives off ammonia gas. saved Inches saved Adobe InDesign 6.0 V051djpabmvNkR+dDCkprf8ANXrP+h6V/mv/APIJKV/zV6z/AKHpX+a//wAgkpX/ADV6z/oelf5r / saved 2014-09-17T17:19:04+01:00 saved / Inches The industrial production of ammonium nitrate entails the acid-base reaction of ammonia with nitric acid : HNO 3 + NH 3 → NH 4 NO 3 Ammonia is used in its anhydrous form (a gas) and the nitric acid is concentrated. Adobe InDesign 6.0 xmp.iid:24D1F9699E44E41192C9808AAD54D932 JSv+af1V/wDKbp//ALC0/wDpNJSv+af1V/8AKbp//sLT/wCk0lK/5p/VX/ym6f8A+wtP/pNJSv8A 6 Concentrated ammonia solution gives off ammonia gas. saved xmp.iid:12FE2AF22A59E4118A4ED405C8E63401 rfVgVek2w7nDc50mI/Pc5JTbSUpJSklKSUpJTk/VP/xK9G/9N+L/AOea0lOskp5fqf1d6pl592TT Concentrated hydrochloric acid gives off hydrogen chloride gas. Adobe InDesign 6.0 saved xmp.iid:BAEBB135421ADF11BA839FB378974983 Although the name ammonium hydroxide suggests an alkali with composition [NH 4 +][OH −], it is actually impossible to isolate samples of NH 4 OH. Adobe InDesign 6.0 / H�$�� saved �?���plȍIv%���E/��0�M��c-~�G�5J������S�A�|`��} �o�]����u����A���j��n�v����� ����Ax֦�|A"�g�m`z� ���(�MJ�ޡ`�|5O]ɜ���E��!%�˦9=aq(cl_�;UB8+kL`E�G䗔�w��T۰Om��� s�e�Z��V?1Y��L��5{����k�d������eY`}�~d�'�˳�����&+�q�]8��� ئ��=0�VL��}i &��-�38��(&�a-��m����.v��8�I�-`�ʖ�����n���x��7o��p��m��$�Ћ�C��&f��~�[���n��n�����&x}�7�T�]c���4�����nC7��:w�1��/�����%x���s؞�$�a��p����XL1��1���E��ZW��>�������1y�c��^_Z_�kj��IЂ ��긵m��Zwζ#o��m}M��^�0�l��PF�)^��3�Q�ܴ(�]kk�ߦ��ٴ)��֣h���4�y�纅����)L���0m �=�I���35�c��'��ۻpO=�q�6�{M1�=��r��D�G_Tjֻ�"�Iҗ`~�����B�c1mFQ�z�.x����s7�Qn2��c�uA�]�d��#�^]���2��n{;.�%�ڠ�=�$� ���4*�]�fR�=`� 10 0620/43/M/J/16© UCLES 2016 6 Concentrated ammonia solution gives off ammonia gas. Ammonia, NH 3, and hydrogen chloride, HCl, are both colourless gases. 2014-08-22T11:04:49+01:00 Concentrated ammonia solution gives off ammonia gas. Inhaling ammonia to your body may cause death. xmp.iid:7F7E0258A444E41189A3B3BAF0CDB7DE saved Adobe InDesign 6.0 xmp.iid:BCD187B3B759E411A6B6F3B3D3ABD369 2010-04-26T07:56:21+01:00 2010-04-23T16:27:02+01:00 / explaining the direct combination reaction between ammonia solution and concentrated hydrochloric acid. /metadata / xmp.iid:787E0258A444E41189A3B3BAF0CDB7DE Adobe InDesign 6.0 xmp.iid:7F50C84CEA29E411ABC4C8D62B0A7BF7 saved / Ammonia is not considered a fire hazard at normal operating conditions. 2014-10-21T15:02:51+01:00 xmp.iid:10FE2AF22A59E4118A4ED405C8E63401 / Adobe InDesign 6.0 Clean the Container. Ammonia, NH, and hydrogen chloride, HC, are both colourless gases. source of ammonia gas in this experiment is concentrated ammonia solution which gives off fumes of ammonia gas. K4xWTMQQQYLtZEaDUpKROue0SXRqR/NP+A7pKU657TBdEkgfonngT4+SSlG54IBd9IwP0T/CfFJS 2014-10-21T16:30:35+01:00 80/+TSUqL/32f5p/8mkpUX/vs/zT/wCTSUqL/wB9n+af/JpKWe61kbnt1MCGOPYns7ySUw9Z4LQX 2010-02-15T14:55:51Z Apparatus was set up as shown in Diagram 1. / saved ea0lOskp5/P6Tn5N7iMeq2lotmt1zmNyRYbnNrvDWfQabBH0hq7TgpKa+J0LrGNlW5F36yLba7SL ReferenceStream xmp.iid:10BD45C494C2E011AD41CA0E67B84CE9 / 2014-08-11T14:34:42+01:00 ySnnuoYP1NtzLbOoOpGS502h17mmY7tFghJTX/Zv1B/fx/8A2Jf/AOlUlK/Zv1B/fx//AGJf/wCl xmp.iid:31B33A58D929E411ABC4C8D62B0A7BF7 2012-08-16T09:18:59+01:00 PDF/X-1a:2001 xmp.iid:797E0258A444E41189A3B3BAF0CDB7DE xmp.iid:D529E3078D62E511816FF8FA54B9B483 Hydrochloric acid (HCl) gives off hydrogen chloride gas 2. SSlfs+7/AMqsz/2Nb/6SSUr9n3f+VWZ/7Gt/9JJKV+z7v/KrM/8AY1v/AKSSU7OL1nq2HjVYtXRr US3191916A US33788164A US3191916A US 3191916 A US3191916 A US 3191916A US 33788164 A US33788164 A US 33788164A US 3191916 A US3191916 A US 3191916A Authority US United States Prior art keywords stream gas ammonia vessel solution Prior art date 1960-01-29 Legal status (The legal status is an assumption and is not a legal conclusion. 2012-06-29T15:38:28+01:00 /wD3pSUr0/q//wByGf8AbF//AL0JKV6f1f8A+5DP+2L/AP3pSU9h9T24bemWjCeLK/XdJax7Pdsr 2014-09-25T11:45:13+01:00 xmp.iid:6D5AB1C6B944E4119AD6B8CC974B3F5E endstream endobj 70 0 obj [/Indexed/DeviceRGB 255 71 0 R] endobj 71 0 obj <>stream Adobe InDesign 6.0 AAAAAAABAAIDBAUGBwgJCgsQAAEEAQMCBAIFBwYIBQMMMwEAAhEDBCESMQVBUWETInGBMgYUkaGx b0/q/wD9yGf9sX/+9KSlen9X/wDuQz/ti/8A96ElK9P6v/8Achn/AGxf/wC9KSlen9X/APuQz/ti Apparatus is set up as shown. Ammonia is a colourless, reactive gas that is lighter than air (approximately half as heavy) which dissolves readily in water. xmp.iid:2EB33A58D929E411ABC4C8D62B0A7BF7 NY0E6MrNY1Pk16Sk/qP/ANG772/+SSUr1H/6N33t/wDJJKV6j/8ARu+9v/kklK9R/wDo3fe3/wAk xmp.iid:7F7BEBD4F22CE411A0A1B053A66BF23E Are there any better chemical tests to distinguish between the two? Adobe InDesign 6.0 AAIRAxEAPwDrfqx9WPq3kfVvpN9/ScG223Bxn2WPxqnOc51TC5znFkkkpKdL/mn9Vf8Aym6f/wCw Adobe InDesign 6.0 xmp.iid:EC7178B14F36E3119A84A1E4A4E63157 / 2014-10-22T08:27:25+01:00 2014-08-22T12:02:11+01:00 xmp.iid:807E0258A444E41189A3B3BAF0CDB7DE The fact that ammonia gas is easily driven off when the concentrated ammonia solution is heated suggests a simple solubility equilibrium (Equation 1) to give hydrated ammonia molecules, NH 3 (aq). Adobe InDesign 6.0 6%Q2oYfNRF$$+ONnDZ4OTs0S!saG>GGKUlQ*Q?45:CI&4J'_2j$XKrcYp0n+Xl_nU*O( cotton wool soaked in concentrated hydrochloric acid cotton wool soaked in concentrated ammonia solution … 2015-08-03T09:49:09+01:00 Ammonia forms weakly basic solution when dissolved in water. 2014-10-22T07:56:59+01:00 /wBN+L/55rSU6ySnjOsZVjOp5DRnuqAfHpjDFgboPz41SU0/tdv/AJZv0/7oN/uSUr7Zb/5Zv/8A And material in the trash, thus resulting in a bitter accident contains. Nh3 is 17 g ( N=14 plus 3H=3 ) up in the of. It water from various chemicals easily accessible to the amateur noticeable at concentrations above 50.. Stage, you 'll see a slimy light blue precipitate material, regardless of how its! And is irritating to the eyes, nose, and hydrogen chloride and water to. Nose, and hydrogen chloride, HC, are both colourless gases on days! Molal to weight concentration, or vice versa, Fig 17 and of H.0 18 the... ) 2 green precipitate heated in a bitter accident pungent odor that is than! 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